00368nam a2200133 a 450000500170000010000200001724500250003726000400006230000230010296400160012599700120014199900170015395200640017020251203091215.0  aKothari C.R.d_  aResearch methodology  aNew DelhibWiley Eastern Ltd.c1987  a500 p.c22 cm.bPB  bcdefg_  a37470 C  c33865d33865  00104070aPUbPUd2000-01-06l0o p37470q2005-09-27yBK