Nagar, P. S. (1973). Curricular achievement and automated teaching. Bharatiya Vidya Prakashan.
Dyfyniad Arddull ChicagoNagar, Prabhu Shanker. Curricular Achievement and Automated Teaching. Varanasi: Bharatiya Vidya Prakashan, 1973.
Dyfyniad MLANagar, Prabhu Shanker. Curricular Achievement and Automated Teaching. Bharatiya Vidya Prakashan, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.