Ho, Yong, 1955-
Oegugo roso ui hangugo parum kyoyungnon
Pakijung, 2006
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Baek, Pong-ja
Oegugo roso ui Hangugo munpop sajon
Hau , 2006
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Kim, Chin Ho, 1968-
Chaemi innun hangugo iyagi
Pagijong, 2006
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An, Kyong-hwa
Han'gugo kyoyuk ui yon'gu
Han'guk Munhwasa, 2007
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Jo, Su-jin
Hangugo mal hagi gyoyuk ui iron gwa silche
Sotong, 2010
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