Mufwene, Salikoko S, author
Cambridge University Press , 2001
Buku Teks
Barnard, Alan, author
Cambridge University Press, 2016
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Sager, Naomi
Addison-Wesley, 1981
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Zanten, Wim van, author
University of Indonesia, Faculty of Humanities, 2016
Artikel Jurnal
edited by Harriet Luria, Deborah M. Seymour, Trudy Smoke
LEA, 2006
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