00370nam a22001337a 4500008004100000020001500041041000800056082001600064100001700080245006700097260003700164300002000201650001500221150612b        xxu||||| |||| 00| 0 eng d  a8173280363  aeng  a001.42bKOT  aKothari,C.R.  aResearch Methodology bMethods and Techniques : Second Edition  aIndia:bWishwa Prakashan,c1990.  a468 p. ;c21 cm 0aResearches