Tripath, S.M.. Descriptive questions in library and information in science , set & others / by S.M. Tripathi & C.Lal. - 1st ed / - New Delhi : Ess Ess Publications , 1996 - 416p : ISBN: 81-7000-289-3 Subjects--Topical Terms: Library questions Dewey Class. No.: 2 / P0