TY  - BOOK
AU  - Sarmiento, Felipe M.
AU  - De Castro, Wilfredo N.,
TI  - Plane geometry with basic trigonometry: a simplified approach 
SN  - 9789719654162
PY  - 2016///
KW  - Geometry
KW  - sears
KW  - Trigonometry
N1  - Includes bibliographical references
ER  -