00421nam a2200157Ia 4500 170901s1990 xx 000 0 und d 020 B20I Bandyopadhyay, S. Information Technology New Delhi T M H Publising Co. Ltd. 1990 227 Gneralities Library and Information sciences Information technology ddc BK 383 383 0 0 ddc 0 0 RAU RAU 2017-10-18 UBSPD, Patna 225.00 0 020 B20I 43660 2017-10-18 1992-09-09 BK