TY  - BOOK
AU  - Orines, Fernando B.
TI  - Next century Mathematics: Precalculus grade 11 senior high school 
SN  - 9789710639311
U1  - SHS TB 512.1 Or47n 2016 
PY  - 2016///
CY  - Quezon Ave., Quezon City
PB  - Phoenix Publishing House, Inc.
KW  - Calculus
KW  - Problems, exercises, etc
ER  -