"In the process of selecting and modifying materials, it is taken into account the relevance of the curriculum, the quality of exercises, the level of difficulty of the English language, and the availability of other basic criteria that teachers and administrators are looking for" (Brown, 1995, p. 161) .
Audio-Visual CD, DVD, and audio and movie clips avilable on the internet
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Personal websites, Blogs, and Social networking sites (SNS)
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