00339nam a2200109Ia 4500008004100000082002000041100001500061245005600076260005100132300000900183490003700192260625b        |||||||| |||| 00| 0 eng d  a519.52bR888.OS  aRoy, A. S.  aOn sampling frame for household surveys in Indiab/  aCalcutta:bIndian Statistical Institute,c1968  a11p.  aNSS technical paper no. 25/68/11