00359nam a22001337a 4500003000400000005001700004008004100021040000900062082001900071100001700090245006700107260004200174300000900216OSt20200810144412.0200810b           ||||| |||| 00| 0 eng d  coclc  a300.723bKOT/R  aKothari, C R  aResearch Methodology :b Methods And Techniques /cC R Kothari  aNew Delhi:bWiley Eastern Ltd,c1985.  a500p