TY  - BOOK
AU  - Salumbides,Epifanio N.
AU  - Romero,Rufo C.
TI  - Trigonometry: plane and spherical 
SN  - 9718609008
U1  - 516.24 Sa181 1963 
PY  - 1963///
CY  - Quezon City
PB  - Royal Pub. House
KW  - Trigonometry
KW  - Plane trigonometry
KW  - Spherical trigonometry
N1  - ISBN 971-8609-00-8
ER  -