00000nam a2200000 a 4500 20251202164327.0 300.72 KOT Kothari, C.R. _ Research methodology New Delhi Wiley Eastern 1985 xii, 500 p. 24 cm. PB Research methodology _ 3564 C 7709 7709 0 0 0 0 PU PU 2001-09-07 65.00 0 300.72 KOT 3564 BK