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Referencias

 
  • Falla, T. & Davies, P..A. (2012). Solutions Elementary Student's Book. (2nd edition). Oxford, U.K.: OUP
  • Falla, T. & Davies, P..A. (2012). Solutions Elementary Student's Book. (2nd edition). Oxford, U.K.: OUP
  • Kay, S. & Jones, V. (2006) Inside Out Elementary, Student's Book. New York: Macmillan
  • Kay, S. & Jones, V. (2006) Inside Out Elementary, Workbook. New York: Macmillan
  • Latham-Koenig, C., Oxenden, C., & Seligson, P.  (2012). English File Elementary Student's Book. (3rd edition). :OUP
  • Latham-Koenig, C., Oxenden, C., & Seligson, P.  (2012). English File Elementary. Workbook. (3rd edition). :OUP
  • Molinski, S.J. & Bliss, B. (2005). Side By Side 1, Student Book (3rd Edition). White Plains, N.Y.: Prentice Hall Regents
  • Molinski, S.J. & Bliss, B. (2005). Side By Side 1, Workook (3rd Edition). White Plains, N.Y.: Prentice Hall Regents
  • Soars, L. & Soars, John. (2001). American Headway 1, Student book. New York: OUP
  • Soars, L. & Soars, John. (2001). American Headway 1. Workbook. New York: OUP