TY  - BOOK
AU  - Sarmiento, Felipe M.
AU  - de Castro, Wilfredo N.
TI  - Plane geometry with basic trigonometry: a simplified approach 
SN  - 978-971-9654-16-2
U1  - 516.22 
PY  - 2016///
CY  - Manila
PB  - Unlimited Books / Library Services & Publishing Inc.
KW  - Plane geometry
N1  - Includes bibliography; p. 285
ER  -