Chaparro M., M. (2011). Group Work: An Alternative to Learn Together. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Chaparro M., Miryam. Group Work: An Alternative to Learn Together. Universidad Pedagógica y Tecnológica de Colombia, 2011.
MLA način citiranja (9. izdanje)Chaparro M., Miryam. Group Work: An Alternative to Learn Together. Universidad Pedagógica y Tecnológica de Colombia, 2011.
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