Combinatorial optimization for undergraduates  
Foulds, L. R., 
 - New York :  Springer-Verlag,  1984 
 - xii, 227 p. :  ill. ;  25 cm. 
 - Undergraduate texts in mathematics .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>038790977x