00398nam a2200145Ia 4500008004100000020001500041041001200056100001800068245007500086250000800161260004800169300000800217650001500225700001200240221030s9999    xx            000 0 und d  a9386649225  aEnglish  aC. R. Kothari 0aResearch Methodology : Methods & Techniquescby C. R. Kothari, G. Garg  a4th  bNew Age Interantional Pub.aNew Delhic2021  a458  aManagement  aG. Garg