Vajda, S. Phil <br/><br/>
Planning by mathematics 

 - 2nd ed. 
 - London  ; Pitman Publishing  , 1973 
 - vi,42p. 
<br/><br/><label>ISBN: </label>0273317660  £1.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / VAJ