Han-Il ch'odŭng hakkyo kugŏ kyogwasŏ taejo yŏn'gu ŏhwi, saphwa, t'eksŭt'ŭ e nat'anan yangguk ŭi sahoe, munhwajŏk kach'igwan ŭi ch'ai e chumok hayŏ - Yi, Mi-suk; Song, Chŏng-sik (Yŏngnak, 2017)