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Pergamon Press, 1982
Buku Teks
Nation, James L., author
CRC Press, Taylor & Francis Group, 2008
Buku Teks
edited by Bernd Heinrich
John Wiley & Sons, 1981
Buku Teks
Iskandar Agung, author
Universitas Indonesia, 2006
UI - Tesis Membership
Academic Press, 1992
Buku Teks