Teaching and media: A systematic approach: Veron S. Gerlach andDonald P. Ely. Prentice Hall, Englewood Cliffs, N.J., 1971. $12.95, 393 pp. L.C. #71-138476 ISBN 0-13-891333-1

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论文评审过程:Available online 17 July 2002.

论文官网地址:https://doi.org/10.1016/0306-4573(76)90059-5