00287    a2200109   4500082001600000100001600016245004400032260004400076300001900120650001900139700001900158  a300.72bSAD  aSadhu, A.N.  aResearch methodology in social sciences  aBombaybHimalaya publishingc1980g1980  a287p.c21.5cm.  aSOCIAL SCIENCE  aSingh, Amarjit