Bhattacharyya, G . DRTC refresher seminar-13(1981) : new developments in library and information science in India / edited by G. Bhattacharyya. - Bangalore : documentation research and training center , 1971. - NULL : figures ; 26cm . Includes index ISBN: NULL (Hb) Subjects--Index Terms: LIBRARY AND INFORMATION SCIENCES Dewey Class. No.: 020 / BHA/D