Lactuan, Leo L. <br/><br/>
Integral calculus / 
Leo L. Lactuan, Mel S. Abas, Alex D. David, Jose Jay R. Devera; Imelda R. Lactuan, editor  
 - Malabon City:  Jimczyville Publications,  c2017. 
 - iv, 286p.;  ill. 
<br/><br/>Includes references  
<br/><br/><label>ISBN: </label>978-971-9676-72-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus, Integral 
<br/><br/><label>Dewey Class. No.: </label>Fil. 515.43 In61 2017