TY  - BOOK
AU  - Castillo, Aida C.
AU  - Reyes.Myrna D.
TI  - Modules in plane Trigonometry
SN  - 971-8581-56-1
PY  - 2003///
CY  - Quezon city.
PB  - Great Books Trading
KW  - Plane trigonometry-- study and teaching (higher)
KW  - Plane trigonometry-- Problems, exercises, ets
N1  - Include Bibliographical references
ER  -