Alora, A. T. (1993). Improving test items (Second revision.). Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila.
Chicago Style (17. basım) AtıfAlora, Angeles Tan. Improving Test Items. Second revision. Manila: Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1993.
MLA (9th ed.) AtıfAlora, Angeles Tan. Improving Test Items. Second revision. Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1993.
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