Washburn, Sherwood <br/><br/>
Discrete mathematics/ 
Sherwood Washburn 
 - Philippines :   Prentice-hall,   c2002. 
 - xvi 370, I-7 p. ;   24 cm. 
<br/><br/>Include index. 
<br/><br/><label>ISBN: </label>981-4119-67-9 
<br/><br/><label>Dewey Class. No.: </label>Circ. 510 W275d 2002