TY  - BOOK
AU  - De Guzman,Danilo
TI  - Pre-calculus for senior high school: Danilo De Guzman
SN  - 978-971-98-0794-0
U1  - Fil. 515 D278 2017 
PY  - 2017///
CY  - Q.C., Philippines
PB  - C&E Publishing, Inc.
KW  - Calculus
KW  - Mathematics
ER  -