00446nam a22001337a 450000500170000000800410001702000180005804000080007605000190008424500810010325000120018426000600019630000560025620230621113301.0220613b           ||||| |||| 00| 0 eng d  a9789386649225  cOst  aH62b.K67 2019  aResearch methodology : bmethods and techniquescKothari, C. R., Garg Gaurav  a4th ed.  aNew Delhi,IndiabNew age International Publishersc2019  axxi,458 p.bIncludes index nd bibliographic details