Ashraf Tariq Developing sustainable digital Libraries Socio-technical perspectives (Premier reference source) - Hersey Information Science Reference 2010 - xvi,362p. cm. ISBN: Indian Rupees 00 Standard No.: 135230 Source: Gift, 22/05/2017, Textual Subjects--Topical Terms: Gift Dewey Class. No.: 2:98(G:55), Q0