Yi, Su-jin
Tonga Taehakkyo Chulpanbu, 2007
Buku Teks
Jo, Hyon-yong, author
Hanul Yonmot, 2005
Buku Referensi
Park, Ji-hun, author
Komyunikeisyon Buksu, 2007
Buku Teks
Natasha, author
Fakultas Kedokteran Gigi Universitas Indonesia, 2022
UI - Skripsi (Membership)
Council for Research in Values and Philosophy, 2006
Buku Teks