Levin, Richard I <br/><br/>
Planning and control with PERT/CPM 

 - New Delhi  Tata McGraw-Hill  1977 
 - x, 179p. : ill. 
<br/><br/><label>ISBN: </label>0070994080 
<br/><br/><label>LC Class. No.: </label>T 57.85 Lev