00291nam a2200109Ia 4500020001800000082001700018100002400035245004700059260004700106300000900153650001900162  a9788177082944  a001.42 RAI/R  aRaiyani, Jagadish R 0aResearch Methodology Theory and Techniques  bNew Centuary PublicationsaNew Delhic2002  a342p  aSocial Science