Klassen, Robert M.; Bong, Mimi; Usher, Ellen L.; Chong, Wan Har; Huan, Vivien S.; Wong, Isabella Y. F.; Georgiou, Tasos
ArticleIssue Date2009CitationCONTEMPORARY EDUCATIONAL PSYCHOLOGY, v.34, no.1, pp.67 - 76PublisherACADEMIC PRESS INC ELSEVIER SCIENCE