00300nam a22001217a 4500020001800000082001800018100002100036245004500057260003000102300001000132700001800142700001800160  a9789352623310  a300.72bKRI/R  aKrishnaswami O R  aResearch methodology/c O R Krishnaswami  aMumbai:bHimalaya,c2023.  a460P.  aM Ranganatham  aP N Harikumar