Orlich, D. C. (1985). Teaching strategies: A guide to better instruction (2nd ed.). D.C. Heath.
Chicago-viite (17. p.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. 2nd ed. Lexington, Mass.: D.C. Heath, 1985.
MLA-viite (8. p.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. 2nd ed. D.C. Heath, 1985.
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