Gagne, R. M. (. M. (1987). Instructional technology: Foundations. Hillsdale, N. J.: Lawrence Erlbaum Associate.
Chicago Stili AlıntıGagne, Robert M. (Robert Mills). Instructional Technology: Foundations. Hillsdale, N. J.: Lawrence Erlbaum Associate, 1987.
MLA AlıntıGagne, Robert M. (Robert Mills). Instructional Technology: Foundations. Hillsdale, N. J.: Lawrence Erlbaum Associate, 1987.
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