Lee, Hansol H.B.
Korean grammar
Oxford University Pres, 1989
 Buku Referensi
Murray, John D. (John Damian)
Intermediate Russian: a grammar and workbook
Routledge, 2001
 Buku Teks
Miell, Anna
Intermediate German : a grammar and workbook
Routledge, 2006
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In Ku Kim-marshall
An Intermediate Korean reader
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Korean grammar in use...
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