Sharma, R. C., & Sapra, C. L. (1969). Wastage and stagnation in primary and middle schools in India. National Council of Educational Research and Training.
Dyfyniad Arddull ChicagoSharma, R C., and C. L. Sapra. Wastage and Stagnation in Primary and Middle Schools in India. [New Delhi]: National Council of Educational Research and Training, 1969.
Dyfyniad MLASharma, R C., and C. L. Sapra. Wastage and Stagnation in Primary and Middle Schools in India. National Council of Educational Research and Training, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.