Johnsonbaugh, Richard <br/><br/>
Discrete mathematics / 
Richard Johnsonbaugh. 
 - 3rd ed 
 - Manila :  Global Pub,  1993. 
 - xiv, 800 p. : ill. 
<br/><br/> Includes an index. 
<br/><br/><label>ISBN: </label>971-656-054-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Computer science--Mathematics