Lang, Douglas W. <br/><br/>
Critical path analysis  techniques, exercises and problems 
<label>/ by </label> Lang, Douglas W. 
 - London  Teach Yourself Books  1970 
 - [2], 174p.  17 cm. 
<br/><br/><label>ISBN: </label>0340114509 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Critical discourse analysis<br/>Analysis
<br/><br/><label>Dewey Class. No.: </label>658.51  / LAN