Hernández Herrero, A. (2005). Content-based instruction in an english oral communication course at the University of Costa Rica. Universidad de Costa Rica.
Chicago-viite (17. p.)Hernández Herrero, Annabelle. Content-based Instruction in an English Oral Communication Course at the University of Costa Rica. Universidad de Costa Rica, 2005.
MLA-viite (9. p.)Hernández Herrero, Annabelle. Content-based Instruction in an English Oral Communication Course at the University of Costa Rica. Universidad de Costa Rica, 2005.
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