Sari Wahyuni, author
Penerbit Salemba Empat, 2011
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Wengraf, Tom
Sage Publications, 2002
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Gillham, Bill, author
Continuum , 2000
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Gillham, Bill, author
Continuum, 2000
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Palys, T.S. (Theodore Stephen), author
Nelson Education, 2014
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