ACS LIBRARY

INFORMATION AND LIBRARY NETWORK  ( https://www.inflibnet.ac.in/).

INDIRA GANDHI NATIONAL OPEN UNIVERSITY (http://ignou.ac.in/)

INDIAN INSTITUTE OF TECHNOLOGY BOMBAY ( https://www.iitb.ac.in/)

NISCAIR (https://nopr.niscpr.res.in/)

MAHATMA GANDHI UNIVERSITY ( https://www.mgutheses.in/)