Sharma, D. (2011). Distance education and student support services. Omega Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSharma, Darshana. Distance Education and Student Support Services. New Delhi: Omega Publication, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSharma, Darshana. Distance Education and Student Support Services. Omega Publication, 2011.
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