Lockyer, K G <br/><br/>
An introduction to critical path analysis 

 - 3rd ed. 
 - London  Sir Isaac Pitman and Sons, ltd.  1969 
 - xii, 219 p.; 21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial management<br/>Management<br/>Management - evaluation<br/>Operations research