Wiest J D <br/><br/>
Management Guide to PERT/CPM:with GERT/PDM/DCPM and other networks 
Wiest J D; Levy F K 
 - Ed 2 
 - New Delhi  New Delhi, Prentice-Hall of India Private Limited  1977 
 - x,229 
<br/><br/><label>Source: </label>Textbook