Differential calculus made simple for filipinos text / workbook / 
Ferdinand P. Nocon ; Joel T. Torrecampo ; Wilfredo B. Daguia ; Magdalena P. Balacua ; Edna G. Ofrasio 
 - Mandaluyong City :  National Book Store,  2001. 
 - 257 p.; 25.2cm. 
<br/><br/>includes bibliography 
<br/><br/><label>ISBN: </label>9710861689 
<br/><br/><label>Dewey Class. No.: </label>Fil 515.33 N11 2001