Walberg, H. J. (1974). Evaluating educational performance: A sourcebook of methods, instruments, and examples. McCutchan Publishing.
Chicago-viite (17. p.)Walberg, Herbert J. Evaluating Educational Performance: A Sourcebook of Methods, Instruments, and Examples. Berkeley, CA: McCutchan Publishing, 1974.
MLA-viite (9. p.)Walberg, Herbert J. Evaluating Educational Performance: A Sourcebook of Methods, Instruments, and Examples. McCutchan Publishing, 1974.
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