Nagar, P. S. (1973). Curricular achievement and automated teaching. Bharatiya Vidya Prakashan.
Čikaški stil citiranja (17. izdanje)Nagar, Prabhu Shanker. Curricular Achievement and Automated Teaching. Varanasi: Bharatiya Vidya Prakashan, 1973.
MLA način citiranja (8. izdanje)Nagar, Prabhu Shanker. Curricular Achievement and Automated Teaching. Bharatiya Vidya Prakashan, 1973.
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