Gray, Clifford F. <br/><br/>
Project Management :  The managerial process / 
Gray, Clifford F. 
 - 6th ed. 
 - 917 p. ill. ; 28 cm. 
<br/><br/><label>ISBN: </label>9789339212032 
<br/><br/><label>Dewey Class. No.: </label>658.15