00451nam a2200157Ia 4500008004100000020001800041082001600059100001900075245004900094250000800143260006000151300002300211500001900234600002000253650002000273240925s9999    xx            000 0 und d  a9789386649225  a300.723 KOT  aKothari, C. R. 0aResearch Methodology: methods and techniques  a4th  aNew Delhi:bNew Age International (Pvt) Limitedc,2019.  a437p.b0fOriginal  aIncludes Index  aSocial Sciences  aSocial Sciences