VAJDA, S. <br/><br/>
Planning by mathematics 
/ [by] S.Vajda 
 - London  Sir Isaac Pitman and Sons  1969 
 - vii, 142 p. 
<br/><br/> Includes appendix and bibliography. 
<br/><br/><label>ISBN: </label>273317660 
<br/><br/><label>Dewey Class. No.: </label>519.72  / VAJ