National Council of Educational Research and Training. (1992). Fifth All India Educational Survey. NCERT.
Dyfyniad Arddull ChicagoNational Council of Educational Research and Training. Fifth All India Educational Survey. New Delhi: NCERT, 1992.
Dyfyniad MLANational Council of Educational Research and Training. Fifth All India Educational Survey. NCERT, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.