000 00311nam a2200121Ia 4500
008 220412s9999 xx 000 0 und d
082 _a629.2 A77a 2016
100 _a3G Learning
245 0 _aPlane and spherical trigonometry
260 _aQuezon City
_bNew Book Century
_c2016
942 _cBK
999 _c22754
_d22754