TY  - BOOK
AU  - Landicho, Elizabeth D.C. 
TI  - MSA textbook in trigonometry
SN  - 9718740333
U1  - Fil. 516.24 L235 
PY  - 2001///
CY  - Quezon City
PB  - MSA Publishing House, 
KW  - Trigonometry
ER  -