TY  - BOOK
AU  - Castillo, Aida C.
AU  - I. Reyes, Myrna D.
AU  - II. Bhagwani, Ernie T. 
TI  - Modules in plane trigonometry / : Aida C. Castillo [and two others]
SN  - 9718581561
U1  - Fil. 516.242 C352m 2003 
PY  - 2003///
CY  - Quezon City, Philippines: 
PB  - Great Books Trading, 
KW  - 1. Trigonometry
N1  - Includes bibliographical references
ER  -