Woods, D. R. (1994). Problem-based learning: How to gain the most from PBL. Donald R. Woods.
Chicago-viite (17. p.)Woods, Donald R. Problem-based Learning: How to Gain the Most from PBL. Waterdown, Ont.: Donald R. Woods, 1994.
MLA-viite (8. p.)Woods, Donald R. Problem-based Learning: How to Gain the Most from PBL. Donald R. Woods, 1994.
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