Bibliography on productivity, (1952-74) 
Compiled by Mohd. Hasan 
 - Simla  Shram Mantralaya, Shram Bureau  1975 
 - 63+p. 
 - Bibliography Series No. 3 .
<br/><br/><label>Dewey Class. No.: </label>A2:T2531x54 In2/1952-74