000 00356nam a2200157Ia 4500
008 180816s9999 xx 000 0 und d
082 _aFil 330 V714e
100 _aVillegas, Bernardo M.
245 0 _aEconomics : an introduction
260 _aRizal
260 _bSinagtala
260 _c1974
300 _a254 p
650 _aEconomics
942 _cBK
999 _c52632
_d52632