00291    a2200109   4500020001500000082001500015100001900030245005200049260003900101300001900140650002200159  a8171005012  a001.4bGUP  aGupta, Santosh  aResearch methodology and statistical techniques  aNew DelhibDeep & Deepc2007g2007  aix,510p.c22cm  aIntellectual life