Orlich, D. C. (1990). Teaching strategies: A guide to better instruction (3rd ed.). D.C. Heath.
Cita Chicago Style (17a ed.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. 3rd ed. Lexington, Mass.: D.C. Heath, 1990.
Cita MLA (8a ed.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. 3rd ed. D.C. Heath, 1990.
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