Manpower group survey    Engineering manpower.    

 - New Delhi   Institute of Manpower Research        1963 
 - ii,55p.  cm. 
<br/><br/> Appendix :39-52p. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>T4:3(Q).2,B.N63, K3