20 Segi hanguk soseul 32: Cheong sandaek, haegu, nunim-eui chosang, mokseon
Changbi, 2005
 Buku Teks
20 Segi hanguk sosol 39 : Gosu, mugijil cheong nyeon, ...
Lee Wei Su; Kim Won Woo; Kim Seong Dong; Yu Sun Na; Lee Byung Chun
Changbi, 2006
 Buku Teks
20 Segi hanguk soseul 26 : Gwanchan supil 5, uri dongne hwangssi, yeol myeonggil, yoenggi
Changbi, 2007
 Buku Teks
20 Segi hanguk soseul 31: Adumeui hun, mimany, malhaneun dol, dasiwol murieso, areum daun golgol
Changbi, 2005
 Buku Teks
20 Segi hanguk soseul 36 : Suni samchon majimak theuri, dodukgyeoun seub, wechanjang gibaeng
Hyun Ki-Yung, Kim Joo-Yeong
Changbi, 2009
 Buku Teks