00291nam a2200109Ia 4500008004100000082001700041100001000058245004600068250001200114260004700126300000800173240913s9999||||xx |||||||||||||| ||und||  a001.4  KUM/M  aKumar 0aMethods and techniques of social research  a7th Ed.  bLakshmi narain agarwal publishaNULLc2009  a319