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$166.75
{"Id":28097470,"Title":"Shaping Collaborative Ecosystems for Tomorrow","Authors":["Perko, Igor","Espejo, Raul","Reyes, Alfonso"],"ShortTitle":"Shaping Collaborative Ecosystems for Tomorrow","Author":"Perko, Igor","Ean":"9781836624950","Isbn":"1836624956","Publisher":"Emerald Publishing Limited","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[2205450,11837676,11837183],"CategoryIds":[430],"FormatId":1,"FamilyId":null,"SeriesId":null,"LanguageId":56,"PriceMin":166.75,"PriceMax":166.75,"Desirability":2,"PublicationDate":"2025-12-15T00:00:00","Join":null}
World Organization of Systems and Cybernetics 18. Congress-Wosc2021: Systems Approach and Cybernetics: Engaging for the Future of Mankind
Perko, Igor
Lepskiy, Vladimir
Espejo, Raul
Paperback
$169.99
{"Id":24064096,"Title":"World Organization of Systems and Cybernetics 18. Congress-Wosc2021: Systems Approach and Cybernetics: Engaging for the Future of Mankind","Authors":["Perko, Igor","Lepskiy, Vladimir","Espejo, Raul"],"ShortTitle":"World Organization of Systems and Cybernetics 18. Congress-Wosc2021:\u2026","Author":"Perko, Igor","Ean":"9783031081941","Isbn":"3031081943","Publisher":"Springer","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1038434,9757507,12205955],"CategoryIds":[617],"FormatId":2,"FamilyId":null,"SeriesId":490008,"LanguageId":56,"PriceMin":169.99,"PriceMax":169.99,"Desirability":0,"PublicationDate":"2022-08-31T00:00:00","Join":null}
Cybernetics and Systems: Social and Business Decisions
Barile, Sergio
Espejo, Raul
Perko, Igor
Hardcover
$327.59
{"Id":5909619,"Title":"Cybernetics and Systems: Social and Business Decisions","Authors":["Barile, Sergio","Espejo, Raul","Perko, Igor"],"ShortTitle":"Cybernetics and Systems: Social and Business Decisions","Author":"Barile, Sergio","Ean":"9781138597280","Isbn":"1138597287","Publisher":"Routledge","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[2205449,1185851,2205450],"CategoryIds":[430],"FormatId":1,"FamilyId":12549435,"SeriesId":518260,"LanguageId":56,"PriceMin":327.59,"PriceMax":327.59,"Desirability":0,"PublicationDate":"2018-12-20T00:00:00","Join":null}
$17.09
{"Id":28075250,"Title":"Learning to Whistle","Authors":["Perko, Tess"],"ShortTitle":"Learning to Whistle","Author":"Perko, Tess","Ean":"9798896361169","Isbn":"","Publisher":"She Writes Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[11819739],"CategoryIds":[886],"FormatId":2,"FamilyId":null,"SeriesId":null,"LanguageId":56,"PriceMin":17.09,"PriceMax":17.09,"Desirability":27,"PublicationDate":"2026-04-07T00:00:00","Join":null}
Did You Know That...?: Revised and Expanded Edition: Surprising-But-True Facts about History, Science, Inventions, Geography, Origins, Art, Music, and
Perko, Marko
Paperback
$13.99
{"Id":16307704,"Title":"Did You Know That...?: Revised and Expanded Edition: Surprising-But-True Facts about History, Science, Inventions, Geography, Origins, Art, Music, and","Authors":["Perko, Marko"],"ShortTitle":"Did You Know That...?: Revised and Expanded Edition: Surprising-But-True\u2026","Author":"Perko, Marko","Ean":"9781504040730","Isbn":"1504040732","Publisher":"Open Road Distribution","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1356886],"CategoryIds":[591,922],"FormatId":2,"FamilyId":13413897,"SeriesId":null,"LanguageId":56,"PriceMin":13.99,"PriceMax":13.99,"Desirability":3,"PublicationDate":"2017-08-22T00:00:00","Join":null}
$118.99
{"Id":15597619,"Title":"Differential Equations and Dynamical Systems","Authors":["Perko, Lawrence"],"ShortTitle":"Differential Equations and Dynamical Systems","Author":"Perko, Lawrence","Ean":"9781461265269","Isbn":"1461265266","Publisher":"Springer Nature","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1069044],"CategoryIds":[489,883,915],"FormatId":2,"FamilyId":7893087,"SeriesId":26030,"LanguageId":56,"PriceMin":118.99,"PriceMax":118.99,"Desirability":1,"PublicationDate":"2013-11-14T00:00:00","Join":null}
$133.00
{"Id":2806111,"Title":"Differential Equations and Dynamical Systems","Authors":["Perko, Lawrence"],"ShortTitle":"Differential Equations and Dynamical Systems","Author":"Perko, Lawrence","Ean":"9780387951164","Isbn":"0387951164","Publisher":"Springer Nature","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1069044],"CategoryIds":[489,883,915],"FormatId":1,"FamilyId":7893087,"SeriesId":26030,"LanguageId":56,"PriceMin":133.0,"PriceMax":133.0,"Desirability":1,"PublicationDate":"2000-12-28T00:00:00","Join":null}
$14.99
{"Id":16308145,"Title":"Did You Know That...?","Authors":["Perko, Marko"],"ShortTitle":"Did You Know That...?","Author":"Perko, Marko","Ean":"9781504043342","Isbn":"1504043340","Publisher":"Open Road Distribution","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1356886],"CategoryIds":[591,922],"FormatId":2,"FamilyId":160763,"SeriesId":null,"LanguageId":56,"PriceMin":14.99,"PriceMax":14.99,"Desirability":1,"PublicationDate":"2017-08-22T00:00:00","Join":null}
$69.99
{"Id":4261116,"Title":"Enlightening the Next Generation: Catholics and Their Schools 1830-1980","Authors":["Perko, F. Michael"],"ShortTitle":"Enlightening the Next Generation: Catholics and Their Schools 1830-1980","Author":"Perko, F. Michael","Ean":"9780815362593","Isbn":"0815362595","Publisher":"Routledge","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1675259],"CategoryIds":[883],"FormatId":2,"FamilyId":12388947,"SeriesId":454691,"LanguageId":56,"PriceMin":69.99,"PriceMax":69.99,"Desirability":0,"PublicationDate":"2019-06-14T00:00:00","Join":null}
$28.45
{"Id":20128303,"Title":"Contemporary Art Theory","Authors":["Zabel, Igor","Spanjol, Igor"],"ShortTitle":"Contemporary Art Theory","Author":"Zabel, Igor","Ean":"9783037642382","Isbn":"3037642386","Publisher":"Jrpeditions","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4747087,4747088],"CategoryIds":[406,408],"FormatId":2,"FamilyId":null,"SeriesId":null,"LanguageId":56,"PriceMin":28.45,"PriceMax":28.45,"Desirability":1,"PublicationDate":"2013-03-31T00:00:00","Join":null}
$87.00
{"Id":3109005,"Title":"A Modern Approach to Critical Phenomena","Authors":["Herbut, Igor","Igor, Herbut"],"ShortTitle":"Modern Approach to Critical Phenomena","Author":"Herbut, Igor","Ean":"9780521142380","Isbn":"0521142385","Publisher":"Cambridge University Press","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[1202803,12545064],"CategoryIds":[1098],"FormatId":2,"FamilyId":12647810,"SeriesId":null,"LanguageId":56,"PriceMin":87.0,"PriceMax":87.0,"Desirability":1,"PublicationDate":"2010-04-01T00:00:00","Join":null}
$14.45
{"Id":29043447,"Title":"Milo\u0026#347;c w rdzeniu","Authors":["Bialuga, Igor","Bialuga, Igor"],"ShortTitle":"Milo\u0026#347;c w rdzeniu","Author":"Bialuga, Igor","Ean":"9788397660823","Isbn":"8397660828","Publisher":"Igor Bialuga","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[11821383,11821383],"CategoryIds":[561],"FormatId":2,"FamilyId":null,"SeriesId":null,"LanguageId":83,"PriceMin":14.45,"PriceMax":14.45,"Desirability":0,"PublicationDate":"2025-07-26T00:00:00","Join":null}
$24.23
{"Id":27053649,"Title":"Monkey-House Mouse makes a (totally NOT scary) book","Authors":["Tatchell, Terri","Perko, Tina"],"ShortTitle":"Monkey-House Mouse makes a (totally NOT scary) book","Author":"Tatchell, Terri","Ean":"9781738963683","Isbn":"1738963683","Publisher":"Mind Creatures Entertainment Ltd.","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4305764,223196],"CategoryIds":[700],"FormatId":1,"FamilyId":11304193,"SeriesId":52682,"LanguageId":56,"PriceMin":24.23,"PriceMax":24.23,"Desirability":61,"PublicationDate":"2024-09-12T00:00:00","Join":null}
$24.23
{"Id":28523387,"Title":"How To Fix Your Parents","Authors":["Tatchell, Terri","Perko, Tina"],"ShortTitle":"How To Fix Your Parents","Author":"Tatchell, Terri","Ean":"9781998718061","Isbn":"1998718069","Publisher":"Mind Creatures Entertainment Ltd.","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4305764,223196],"CategoryIds":[848,893],"FormatId":1,"FamilyId":13268469,"SeriesId":null,"LanguageId":56,"PriceMin":24.23,"PriceMax":24.23,"Desirability":22,"PublicationDate":"2025-09-15T00:00:00","Join":null}
$11.64
{"Id":28477690,"Title":"How To Fix Your Parents","Authors":["Tatchell, Terri","Perko, Tina"],"ShortTitle":"How To Fix Your Parents","Author":"Tatchell, Terri","Ean":"9781998718078","Isbn":"1998718077","Publisher":"Mind Creatures Entertainment Ltd.","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4305764,223196],"CategoryIds":[848,893],"FormatId":2,"FamilyId":13268469,"SeriesId":null,"LanguageId":56,"PriceMin":11.64,"PriceMax":11.64,"Desirability":5,"PublicationDate":"2025-09-15T00:00:00","Join":null}
$11.88
{"Id":27081648,"Title":"Monkey-House Mouse makes a (totally NOT scary) book","Authors":["Tatchell, Terri","Perko, Tina"],"ShortTitle":"Monkey-House Mouse makes a (totally NOT scary) book","Author":"Tatchell, Terri","Ean":"9781738963669","Isbn":"1738963667","Publisher":"Mind Creatures Entertainment Ltd.","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4305764,223196],"CategoryIds":[700],"FormatId":2,"FamilyId":11304193,"SeriesId":52682,"LanguageId":56,"PriceMin":11.88,"PriceMax":11.88,"Desirability":4,"PublicationDate":"2024-09-12T00:00:00","Join":null}
$24.23
{"Id":25808956,"Title":"Monkey-House Mouse and the Storytime Zoo","Authors":["Tatchell, Terri","Perko, Tina"],"ShortTitle":"Monkey-House Mouse and the Storytime Zoo","Author":"Tatchell, Terri","Ean":"9781738963614","Isbn":"1738963616","Publisher":"Fielding House Press Ltd.","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4305764,223196],"CategoryIds":[700],"FormatId":1,"FamilyId":10705808,"SeriesId":null,"LanguageId":56,"PriceMin":24.23,"PriceMax":24.23,"Desirability":4,"PublicationDate":"2023-09-18T00:00:00","Join":null}
$22.79
{"Id":28910821,"Title":"Six Goofy Geese: A What or a Who?","Authors":["Raebeck, Shelby","Perko, Tina"],"ShortTitle":"Six Goofy Geese: A What or a Who?","Author":"Raebeck, Shelby","Ean":"9781662971457","Isbn":"1662971451","Publisher":"Trailwalker Books","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[3856820,223196],"CategoryIds":[700],"FormatId":1,"FamilyId":null,"SeriesId":null,"LanguageId":56,"PriceMin":22.79,"PriceMax":22.79,"Desirability":3,"PublicationDate":"2025-12-24T00:00:00","Join":null}
$11.88
{"Id":25808946,"Title":"Monkey-House Mouse and the Storytime Zoo","Authors":["Tatchell, Terri","Perko, Tina"],"ShortTitle":"Monkey-House Mouse and the Storytime Zoo","Author":"Tatchell, Terri","Ean":"9781738963607","Isbn":"1738963608","Publisher":"Fielding House Press Ltd.","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[4305764,223196],"CategoryIds":[700],"FormatId":2,"FamilyId":10705808,"SeriesId":null,"LanguageId":56,"PriceMin":11.88,"PriceMax":11.88,"Desirability":2,"PublicationDate":"2023-09-18T00:00:00","Join":null}
$17.99
{"Id":16477014,"Title":"I Have Someone to Tell You: A Jesuit Heralds the Gospel","Authors":["Perko, Roxanne","McTeigue, Robert"],"ShortTitle":"I Have Someone to Tell You: A Jesuit Heralds the Gospel","Author":"Perko, Roxanne","Ean":"9781514255964","Isbn":"1514255960","Publisher":"Createspace","IsOnShelf":false,"IsIngramAvailable":true,"IsBestSeller":false,"IsRecentArrival":false,"ConditionIds":[1],"GroupIds":[],"ContributorIds":[3718187,3718189],"CategoryIds":[606],"FormatId":2,"FamilyId":null,"SeriesId":null,"LanguageId":56,"PriceMin":17.99,"PriceMax":17.99,"Desirability":2,"PublicationDate":"2017-05-03T00:00:00","Join":null}