"National sample survey July 1958- June 1959, 14th round"   Tecnical paper on sample design 

 - Calcutta  Academic library publication       1962 
 - 50p  cm. 
<br/><br/><label>Standard No.: </label>169547 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"Segma.n2,N59<--N58, K2.70"