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Author

Silvia H. Koller

2 books found

Cover of Global Positive Youth Development

Global Positive Youth Development

Anne C. Petersen, Frosso Motti-Stefanidi, Silvia H. Koller, Suman Verma · First published 2016

Cover of Positive Youth Development in Global Contexts of Social and Economic Change

Positive Youth Development in Global Contexts of Social and Economic Change

Anne C. Petersen, Silvia H. Koller, Frosso Motti-Stefanidi, Suman Verma · First published 2016