Shaffer, L.R...[et al.]. <br/><br/>
Critical path method 

 - New york  mc Graw hill  1965 
 - xi, 216p. 
<br/><br/><label>Subjects--Index Terms: </label>Operations research  CPM 
<br/><br/><label>Dewey Class. No.: </label>658.403 2   / SHA