000 00265nam a2200097Ia 4500
008 180820s9999 xx 000 0 und d
050 _aC Fil. 371.3 Aq56p 1989
100 _aAquino, Gaudencio V.
245 0 _aPrinciples and methods of effective teaching
942 _cBK
999 _c56348
_d56348