000 00314nam a2200109Ia 4500
008 180205s9999 xx 000 0 und d
020 _a9718740333
100 _aLandicho, Elizabeth
245 _cAlferez, Merle S.
_aTextbook in trigonometry /
260 _aQuezon City
_bGerpress printing
_c2001
300 _a152 pages
999 _c354837
_d354837