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2. Sangwŏnsabon Odae chinŏn ŭi p’yogibŏp yŏn’gu 상원사본 <오대진언>의 표기법 연구 [Research on the spelling system of the Sangwŏnsa recension of the Five Great Mantras];An;Ŏnŏhak 언어학,2003
3. Odae chinŏn e nat’anan p’yogi ŭi t’ŭkching yŏn’gu: Sŏngsambon kwa Sangwŏnsabon ŭl chungsim ŭro〈오대진언〉에 나타난 표기의 특징 연구—성암본과 상원사본을 중심으로 [Research on the special features of the spelling appearing in the Five Great Mantras: Based on the Sŏngam edition and the Sangwŏnsa edition];An;Han’guk ŏhak 한국어학,2004
4. Mugyebon Chinŏn chip yŏn’gu 무계본(無界本) <진언집(眞言集)> 연구 [Research on the borderless recension of the Mantra Collection];An;Ŏnŏhak 언어학,2005
5. Han’gŭlp’an Odae chinŏn e taehayŏ 한글판 <오대진언 (五大眞言)>에 대하여 [On the Korean print of the Five Great Mantras];An;Han’gŭl 한글,1987