TY  - BOOK
AU  - Ferdinand P.Nocon,Joel T.Torrecampo,Loreta B.Torrecampo,Wilfredo B.Daguia,Edna G.Ofrasio
TI  - Trigonometry made simple for filipinos tex/workbook
SN  -                                                                                                                                                                                                                                                                                                                                                                                                                                            971-08-6166-2
PY  - 2001///
CY  - Mandaluyong City
PB  - National Book Store
ER  -