Planning theory. 

 - Englewood Cliffs, New Jersey :  Prentice-Hall, Inc.,  1961. 
 - xiv, 357 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planning
<br/><br/><label>Dewey Class. No.: </label>658.01   / LEB