Borich, G. D. (1974). Evaluating educational programs and products. Educational Technology.
Lua i Stíl Chicago (17ú heag.)Borich, Gary D. Evaluating Educational Programs and Products. Englewood Cliffs, NJ: Educational Technology, 1974.
Lua MLA (9ú heag.)Borich, Gary D. Evaluating Educational Programs and Products. Educational Technology, 1974.
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