00330nam a2200121 a 450000500170000008200160001710000180003310000190005124500500007026000380012030000250015863000250018320251202164221.0  a300.72bWIL  aWilkinson T.S  aBhandarkar P.L  aMethodology and techniques of social research  aBombaybHimalaya Pub. Housec1986  a440 p.b22 cm. .cHB  aResearch methodology