Sharma, R. C., & Sapra, C. L. (1969). Wastage and stagnation in primary and middle schools in India. National Council of Educational Research and Training.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSharma, R C., और C. L. Sapra. Wastage and Stagnation in Primary and Middle Schools in India. [New Delhi]: National Council of Educational Research and Training, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSharma, R C., और C. L. Sapra. Wastage and Stagnation in Primary and Middle Schools in India. National Council of Educational Research and Training, 1969.
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