Tiwari, Aravind. Evaluation of electronic libraries / Aravind Tiwari. - New Delhi : A P H Publishing, c 2011. - vi, 299 p. ; 22 cm. Includes index. 308 308 ISBN: 81-7648-370-2 Subjects--Topical Terms: Library Science Dewey Class. No.: 025.04 / T43e