Lang Douglas W. <br/><br/>
Critical path analysis    Techniques, exercises and problems. 

 -  1970 
<br/><br/><label>Standard No.: </label>44655 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> ECONOMICS<br/>MANAGEMENT
<br/><br/><label>Dewey Class. No.: </label>X:8:B2893, L0