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041 _aspa
245 _aIncidence of the use of audiovisual materials in teaching an development of the four basic skills of english language students at dr. luis felipe borga public high school in la troncal province of cañar for school year 2011-2012
260 _a[s.l.]
_b[s.n.]
_c2012
300 _a95 p.
_c29 cm.
650 _aEn la troncal
_938929
830 _aBibliografía
830 _aBibliografías
830 _aGeneralidades
942 _c8
_h010
999 _c21044
_d21044