Kain, D. L. (2003). Problem-based learning for teachers, grades 6-12. Allyn and Bacon.
Chicago Style aipamenaKain, Daniel L. Problem-based Learning for Teachers, Grades 6-12. Boston: Allyn and Bacon, 2003.
MLA aipamenaKain, Daniel L. Problem-based Learning for Teachers, Grades 6-12. Allyn and Bacon, 2003.
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