VAJDA, S. <br/><br/>
Planning by mathematics 
/ [by] S.Vajda 
 - London  Sir Isaac Pitman and sons  1969 
 - vii, 130 p. 
<br/><br/> Includes appendix & bibliography. 
<br/><br/><label>ISBN: </label>84492 
<br/><br/><label>Dewey Class. No.: </label>510  / VAJ