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University of Minnesota Press, 1964
Buku Teks
McDonagh, Briony, author
Routledge , 2018
Buku Teks
Sutherland, Heather
Heinemann Educational Books, 1979
Buku Teks
Graves, Elizabeth E
Yayasan Obor Indonesia, 2007
Buku Teks
Pustaka Pelajar, 2005
Buku Teks