TY  - BOOK
AU  - Ballado,Ronato S.
TI  - Functions: a worktext in advanced algebra 
SN  - 978-971-9645-32-0
PY  - 2016///
CY  - Quezon City
PB  - Great Books
KW  - Algebra
KW  - Problems
N1  - Includes bibliography and reference
ER  -