TY  - BOOK
AU  - Landicho, Elizabeth D.C.
AU  - Merle S.Alferez
TI  - MSA textbook in trigonometry
SN  - 971-8740-33-3
U1  - Fil 516.24 L257 2013 
PY  - 2001///
CY  - Quezon City
PB  - MSA Academic Advancement Institute, 
KW  - Trigonometry.
N1  - Includes bibliographical references.; 500-599
ER  -