Dubin, F., & Olshtain, E. (1992). Course desing: Developing programs and materials for language learning. Cambridge University Press.
Cita Chicago Style (17a ed.)Dubin, Fraida, y Elite Olshtain. Course Desing: Developing Programs and Materials for Language Learning. Cambridge: Cambridge University Press, 1992.
Cita MLA (8a ed.)Dubin, Fraida, y Elite Olshtain. Course Desing: Developing Programs and Materials for Language Learning. Cambridge University Press, 1992.
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