20 Segi hanguk soseul 41 : Sa phyeong yeok, soji jameikhayeo annyeong, chingguneun Meolli gasspodo, gitbal
Lim Chuk Woo; Lee Chang Dong; Kim Yu Taek; Jung Do Sang; Hong Hee Dam
Changbi, 2006
 Buku Teks
20 Segi hanguk soseul 44 : Geu jip ap; yangsuri ganeun gil; mindal phaengi, ...
Lee Hye Kyung; Kim In suk; Kim Hyung Kyung; Choi Yun; Lee Chung Hae; Kim Seung Hee
Changbi, 2006
 Buku Teks
20 Segi hanguk soseul 46 : Sesang kkteui golmakdeul, swetmulcheoreom, saebyeok chuljeong, bombi naerineun nal, maehyang
[by] Lee Nam Hee ... [and others]
Changbi, 2009
 Buku Teks
20 Segi hanguk soseul 43 : Buyongsan, kangthong tagae ga obneun maeul, mareul chajasea, ...
[by] Choi Sung-kak ... [and others]
Changbi, 2006
 Buku Teks
20 Segi hanguk soseul 48 : Gamja mokneun saramdeul, jomaeje, bincheo, anmodongi itneun gagetjib phunggyeong
[by] Shin, Kyung-suk ... [and others]
Changbi, 2006
 Buku Teks