TY  - BOOK
AU  - Uy, Fausto B.
AU  - Feliciano, Florentino T. ; Dela fuente, Ruben A. ; Ocampo, Jimmy L.;
TI  - Plane and spherical trigonometry 
SN  - 971-30-1253-4
U1  - Fil 516.24 Uy1p 
CY  - Manila 
KW  - Trigonometry, Plane
KW  - Trigonometry, Spherical
ER  -