TY  - BOOK
AU  - Olvido, Lucrecia R.,
AU  - Torreon, Charito G., 
AU  - Paez, Teresita F.,
AU  - Aquino, Rolando J., 
TI  - Pre-calculus for Senior High School / 
SN  - 9786214090471 (Pbk.)
AV  - QA303.2 .P74 2016
PY  - 2016///
CY  - Mandaluyong City
PB  - Books Atbp. Publishing Corp., 
KW  - Calculus
KW  -  Problems, exercises, etc
KW  - Mathematics
N1  - Includes bibliographical references
ER  -