Lang, Douglas W. <br/><br/>
Critical path analysis 

 - 4TH EDITION 
 - Kent: Teach Yourself Books,  1977 
 - 217p; 18cm 
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>0340212780 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MANAGEMENT.