Question bank 
directorate of manpower and training govt of the punjab 
 - Lahore  directorate of manpower and training govt of the punjab  1978 
 - various p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering-Miscellanea
<br/><br/><label>Dewey Class. No.: </label>621.3022  / DEQ