. . "Sejongdae ŭi ŭmsŏnghak" . "Study on sound structure as understood of King Sejong's period" . "세종대의음성학" . "Sejongdae ui umsonghak" . "Early works" . . "Ŭmsŏng ŭmun ŭmak ŭi chiptaesŏng" . . . . . . . "Sejongdae ŭi ŭmsŏnghak : ŭmsŏng ŭmun ŭmak ŭi chiptaesŏng" . . . . . . "Sejongdae-ŭi ŭmsŏnghak" . . "音聲音韻音樂의집대성" . . . "Sechongdae ŭi ŭmsŏnghak" . . . . "世宗代의音聲學 : 音聲音韻音樂의집대성" .