Dela Pena, A. M. (1981). Development of learning modules in health education for grade IV [microform]. Photoduplication Service. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDela Pena, Angelita Malicdem. Development of Learning Modules in Health Education for Grade IV [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDela Pena, Angelita Malicdem. Development of Learning Modules in Health Education for Grade IV [microform]. Photoduplication Service. University of the Philippines Library, 1981.
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