Sharma, R. C., & Sapra, C. L. (1969). Wastage and stagnation in primary and middle schools in India. National Council of Educational Research and Training.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSharma, R C., এবং C. L. Sapra. Wastage and Stagnation in Primary and Middle Schools in India. [New Delhi]: National Council of Educational Research and Training, 1969.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSharma, R C., এবং 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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