de Vera, L. L. (1998). Teaching aids development in health education. Philippine Health Education Journal.
Chicago Style (17. basım) Atıfde Vera, Lorna L. "Teaching Aids Development in Health Education." Philippine Health Education Journal 1998.
MLA (9th ed.) Atıfde Vera, Lorna L. "Teaching Aids Development in Health Education." Philippine Health Education Journal, 1998.
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