00494nam a2200205Ia 4500003000400000005001700004008004100021020001800062040000700080041001200087082002100099100001600120245004900136250000600185260004300191300001600234365001300250650001200263650001300275OSt20250624145951.0210423s2011    xx            000 0 und d  a9788122415223  cAL  aEnglish  a001.42223bKOTR  aKothari C R  aResearch methodology: methods and techniques  a2  aNew DelhibNew Age Internationalc2011  axvi,401bPB  b200cINR  aGeneral  aResearch