Caculus 1 
Vicencio, Christopher S. ; Sanqui, Rommel C. ; Amores jr. , Joy Cosme C. 
 - Mandaluyong City: Books Atbp. Publishing Corp.  2019 
 - viii, 125 p. ; 25.5cm. 
<br/><br/> includes references 
<br/><br/><label>ISBN: </label>9786214091485 
<br/><br/><label>Dewey Class. No.: </label>Fil 515 V632 2019