00293nam a2200109Ia 4500008004100000020001500041082002100056100001600077245003500093260003000128300002500158260130b        |||||||| |||| 00| 0 eng d  a8173193703  a519.52bSa192.ST  aSampath, S.  aSampling theory and methodsb/  aNew Delhi:bNarosa,c2001  ax, 184p. Bibl. Index