00414nam a22001217a 450000500170000002000230001703500510004003700130009110000190010424501040012326000460022730000190027320190515145212.0  a8176464457c250.00  aB-160302, B-160299, B-160307,B-160300,B-160300  aDPLbENG  aKumar, P.S. G.  aResearch methods and statistical techniques :bPaper XII of UGC Model Curriculum /cby P.S.G. Kumar  aDelhibB. R. Publishing Corporationc2004  a620p.c18 cms.