Engs, R., & Wantz, M. (1978). Teaching health education in the elementary school. Houghton Mifflin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEngs, Ruth, और Molly Wantz. Teaching Health Education in the Elementary School. Boston: Houghton Mifflin, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEngs, Ruth, और Molly Wantz. Teaching Health Education in the Elementary School. Houghton Mifflin, 1978.
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