TY  - BOOK
AU  - Mejia, Leila DP.
AU  - Gabuyo, Yonardo A.
TI  - Plane trigonometry: : a modern approach 
SN  - 978-971-23-4087-1
U1  - GC 516.242 M516 2004 
PY  - 2004///
CY  - Manila
PB  - Rex Book Store, Inc.
KW  - Plane Trigonometry
N1  - Includes bibliographical references and an index
ER  -