Popham, W. J. (1993). Educational evaluation (3rd ed.). Allyn and Bacon.
Cita Chicago Style (17a ed.)Popham, W. James. Educational Evaluation. 3rd ed. Boston: Allyn and Bacon, 1993.
Cita MLA (8a ed.)Popham, W. James. Educational Evaluation. 3rd ed. Allyn and Bacon, 1993.
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