000 00416nam a2200097Ia 4500
008 230520s2012 xx 000 0 und d
100 _aBola, Mark Gregory B.
245 1 0 _aEmilio Aguinaldo College electronic messaging system using GSM (Global System for Mobile Communication) /
_cBola, Mark Gregory B.
264 _a[Place of publication not identified] :
_b[Publisher not identified],
_c2012.
521 _aENGG_MCOMPENGG
999 _c36329
_d36329