00329nam a2200133Ia 4500008004100000041000800041082001500049100002500064245003500089250000800124260004700132300000800179365000800187231011s9999    xx            000 0 und d  aeng  a001.42/KUM  aKumar Puvvada George  aResearch Methodology [Kumar-P]  a1st  bAPH.Publishing Corporation New Delhic2017  a169  b156