00323cam a22000977a 4500008004000000082002100040245008200061260005700143300000900200500001600209180718b1958   xxu||||| |||| 00| 0 eng d  aT2068x54 In2/ 53  aNational Sample Survey,Ninth, Eleventh,Thirteenth round : May 1957 - May 1958  aNew DelhibNational Sample Survey Organisationc1958  a86p.  aNumber - 53