Yu-jŏn Cho

• Kogohak palgul kwa yŏn'gu
• Kogohakcha Cho Yu-jŏn kwa Yi Ki-hwan ŭi Han'guksa kihaeng
• Kogohakcha Cho Yu-jŏn ŭi Hanʾguksa misŭtʻŏri
• Palgul iyagi