TY  - BOOK
AU  - Oronce,Orlando A.
TI  - Worktext in mathematics: e-math IV : advanced algebra and trigonometry  
SN  - 9789712354823
U1  - 510 
PY  - 2014///
CY  - Manila
PB  - Rex Book Store
KW  - Mathematics
KW  - Study and teaching (Secondary)
KW  - Textbooks
ER  -