00000nam a2200000 a 4500 20251219155829.0 9789386649225 300.72 KOT Kothari C.R _ Garg, Gaurav Research methodology methods and techniques 4th ed. New Delhi New age Intl. 2019 xxi, 458 p. 22 cm. PB Includes index _ Research methodology _ _ _ 226397 310649 310649 0 0 0 0 PU PU 2023-01-23 319.20 2 300.72 KOT 226397 2026-11-12 2026-10-15 19:27:52 2026-10-15 BK