Ur, Penny
A course in language teaching : practice and theory
Cambridge University Press, 1991
 Buku Teks
Rivers, Wilga M.
Communicating naturally in a second language : theory and practice in language teaching
Cambridge University Press, 1994
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Language and language learning
edited by Albert H. Marckwardt
National Council of Teachers of English, 1968
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Christie, Francis
Language education / Francis Christie
Oxford University Press, 1989
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Richards, Jack C.
Approaches and methods in language teaching
Cambridge University Press, 2006
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