Ashraf, Tariq and Jha, Sanjay Kumar (2014) Handbook of UGC net for library and information science. 2 ed. Synergy Books, New Delhi. ISBN 978-9382059172

Ashraf, Tariq and Jha, Sanjay Kumar (2009) Handbook of UGC net for library and information science. 1 ed. Bookwell Publications, New Delhi. ISBN 978-8189640514