Strang, R. M., & Smiley, D. F. (1941). The role of the teacher in health education. The Macmillan company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStrang, Ruth May, और Dean Franklin Smiley. The Role of the Teacher in Health Education. New York: The Macmillan company, 1941.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStrang, Ruth May, और Dean Franklin Smiley. The Role of the Teacher in Health Education. The Macmillan company, 1941.
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