Seminar on Data Collection Techniques in the National Sample Survey, C. S. O. & I. S. I., Calcutta, June 1969 <br/><br/>
Data collection techniques in the national sample survey; proceedings   
Ed. by M. N. Murthy 
 - New Delhi  Department of Statistics  1970 
 - xiii, 318p. 
<br/><br/>  
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>518.5  / Se471.DC