BARNES, F. P. (1964). Research for the practitioner in education. National Education Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBARNES, Fred P. Research for the Practitioner in Education. Washington: National Education Association, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBARNES, Fred P. Research for the Practitioner in Education. National Education Association, 1964.
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