TY  - BOOK
AU  - Sarmiento, Felipe M.
AU  - De Castro, Wilfredo N.
TI  - Pre-calculus for senior high school
SN  - 9789719654568
AV  - 515 Sa74p c2017 
PY  - 2017///
CY  - Intramuros, Manila
PB  - Unlimited Books Library Services & Publishing Inc.
KW  - Calculus
KW  - Problems, exercises, etc
KW  - Mathematics
N1  - Includes bibliographic references
ER  -