Differential calculus / 
Imelda R. Lactuan.-- [ et al. ]. 
 - Malabon City :  Jimczyville,  c2015. 
 - 276 p. ; 23cm 
<br/><br/> Includes references. 
<br/><br/><label>ISBN: </label>9789719676126 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential calculus