00281nam a2200121Ia 4500008004100000040000600041041001200047082000900059082000700068100001800075245004800093245001800141141004s9999    xx            000 0 und d  ca  aEnglish  a1.42  bRE  aC.R   Kothari  aResearch Methodology Methods and techniques  cC.R   Kothari