TY  - BOOK
AU  - De Guzman, Danilo
TI  - Precalculus with software applications for senior high school
SN  - 9789719815068
U1  - SHS TB 512.1 D3401 2021 
PY  - 2021///
CY  - Quezon City : 
PB  - C & E Publishing, 
KW  - Precalculus
KW  - Study & teaching
N1  - Includes index
ER  -