TY  - BOOK
AU  - Olvido,Lucrecia R.
TI  - Pre-calculus for senior high school
SN  - 9786214090471
AV  - QA 154.2 O49 2016
PY  - 2016///
CY  - Mandaluyong City, Philippines
PB  - Books Atbp. Publishing Corp.
ER  -