Mager, R. F., & Beach, K. M. (1967). Developing vocational instruction. Fearon Publishers.
Chicago Style aipamenaMager, Robert Frank, and Kenneth M. Beach. Developing Vocational Instruction. Palo Alto, Calif.: Fearon Publishers, 1967.
MLA aipamenaMager, Robert Frank, and Kenneth M. Beach. Developing Vocational Instruction. Fearon Publishers, 1967.
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