Sapra, C. L. (1972). Measurement of educational wastage: A review of methodologies. National Council of Educational Research and Training.
Παραπομπή σε μορφή Chicago (17η εκδ.)Sapra, C. L. Measurement of Educational Wastage: A Review of Methodologies. [New Delhi]: National Council of Educational Research and Training, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Sapra, C. L. Measurement of Educational Wastage: A Review of Methodologies. National Council of Educational Research and Training, 1972.
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