20 Segi hanguk soseul 32: Cheong sandaek, haegu, nunim-eui chosang, mokseon
Changbi, 2005
Buku Teks
Choe, Won-sik
20 Segi hanguk soseul 6
Changbi, 2009
Buku Teks
20 Segi hanguk soseul 34: Meon geudae: bong sunga kkot mul: nae sachan byeol jeong uchegukjang: don hwang-e sarang
Changbi, 2005
Buku Teks
20 Segi hanguk soseul 42 : Dangsine daehaesea, gongjungnugak, gu phyeongmok ssieui bakhuibeolle, seupheumeui norae, syagaleui macule naerineun nun, ai
Lee In Sing; Choi Su Chul; Lee Seung Woo; Jung Chan; Park Sang Woo; Jang Jung Il
Changbi, 2006
Buku Teks
Hong, Sun Wen
20 Segi hanguk soseul 27 : Hong Sung-won sinsangung
Chang bi, 2009
Buku Teks