Lactuan, Imelda R. et al <br/><br/>
Differential calculus / 
Imelda R. et al. Lactuan 
 - 276 p.; ill.; 23 cm  23cm 
<br/><br/><label>ISBN: </label>9789715067645 9789789715060 
<br/><br/><label>Subjects--Topical Terms: </label>