Tohutoro APA (7th ed.)
Boud, D. [. (1997). The challenge of problem based learning (2a ed.). Kogan Page.
Tohutoru Kātū Chicago (17th ed.)
Boud, David [edit]. The Challenge of Problem Based Learning. 2a ed. London: Kogan Page, 1997.
Tohutoro MLA (9th ed.)
Boud, David [edit]. The Challenge of Problem Based Learning. 2a ed. Kogan Page, 1997.
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