TY  - BOOK
AU  - Ballado, Ronato S.
TI  - Functions: A Worktext in advanced Algebra 
SN  - 9789719645320
U1  - FIL 512 B21f 2016 
PY  - 2016///
CY  - West Avenue, Quezon City
PB  - Great Books Trading
KW  - Algebra
KW  - Study and teaching
N1  - Includes bibliography and references
ER  -