TY  - BOOK
AU  - Precalculus with software applications for senior high school
AU  - De Guzman, Danilo
TI  - Precalculus with software applications for senior high school
SN  - 978971981506
U1  - De Guzman, Danilo 
PY  - 2021///
CY  - Quezon City
PB  - C & E Publishing, Inc.
N1  - includes bibliographic reference
ER  -