. . "Chǒng" . "정지현" . "Ch'i-hyŏn" . "http://www.wikidata.org/entity/Q6581097" . . "정 지현" . "Chi-hyŏn Chŏng"@en . "Chi-hyŏn"@en . "Chi-hyǒn Chǒng" . "鄭治賢" . . "정 지현" . "정 지현" . "權志衒" . . "정지현" . "chi-hyŏn Chŏng" . "Chŏng"@en . "Ch'i-hyŏn Chŏng" . "Chi-hyǒn" . "權志衒" . "鄭 知賢" . "鄭治賢" . "chi-hyŏn" .