by Carter J. Eckert ... [et.al.]
Korea Institute, Harvard University, 1990
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Hymes, Dell H., author
Amsterdam John Benjamins 1983
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Taylor, A. J. P. (Alan John Percivale), 1906-1990
Harmondsworth Penguin Books 1976,
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Chiba J-PAC Chiba University 1998,
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Lee, Hyun-hee, author
Seoul Jimoondang 2005
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