00445nam a2200169Ia 4500008004100000020001500041041000800056082001900064100002300083245003900106260005800145300000800203365001100211650002000222650001500242700001800257140306s9999    xx            000 0 und d  a8120703812  aeng  a001.42bSHA/RE  aRavindra, Prasad D  aResearch methods in social science  aNew DelhibStrelling publishers Private Limitedc1989  a272  bRs.700  aResearch Design  aSociometry  aSharma, B A V