000 00457nam a2200181Ia 4500
008 180816s9999 xx 000 0 und d
020 _a9.78972E+12
082 _aFil 420.7 Se21e
100 _aSebastian, Evelyn L.
245 0 _aEnglish proficiency 1
260 _aQuezon City
260 _bC & E Publishing
260 _c2013
300 _a221 p
650 _aEnglish language -- Study and teaching
650 _aLanguage textbooks
942 _cBK
999 _c54967
_d54967