00516nam a2200157Ia 4500 190328s9999||||xx |||||||||||||| ||und|| 81-85070-21-0 NITIL NITIL 21st 025.52028 T835S Tripathi, S M Sandarbh evam soochna seva ke naveen aayaam S M Tripathi Agra Y K Publishers 1993 xix, 548p. Reference services (Libraries); Information science-Study and teaching; Information display systems BKS 31105 31105 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 025.52028 T835S 132373 2019-04-03 00:00:00 2019-04-03 BKS