Puri, U., & (Firm), P. (2024). Distance education. New Delhi.
Dyfyniad Arddull ChicagoPuri, Usha., and ProQuest (Firm). Distance Education. New Delhi, 2024.
Dyfyniad MLAPuri, Usha., and ProQuest (Firm). Distance Education. New Delhi, 2024.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.