000 00371nam a2200145Ia 4500
008 220907s9999 xx 000 0 und d
020 _a9789719806776
040 _aGS-LRC
_cGS-LRC
100 _aAurora C. Zuniga
245 0 _aMath World 2
260 _aC& E Publishing Inc. ,Quezon City
_bC & E Publishing Inc.
_c2017
300 _a509
942 _cBK
999 _c1873
_d1873