Pitale R L <br/><br/>
Project appraisal technique 
Pitale R L 
 - Ed 2 
 - New Delhi  New Delhi, Oxford & IBM publishing co. pvt. ltd.  1987 
 - 376p 
<br/><br/><label>ISBN: </label>81-204-0227-8 
<br/><br/><label>Source: </label>Textbook