India. Census of -. 1981 <br/><br/>
Statistical quality control in data processing, report on -  / 

 - Delhi  Controller of Publication  1985 
 - v, 73p. 
 - Series    I, India Paper 3 of 1982 .
<br/><br/><label>Dewey Class. No.: </label>312.54  / in39.SQ