20 Segi hanguk soseul 37 : Urideul-e ilgeureojin yeongung, ...
Jo Sung Ki, Lee Mun Yul, Choi Si Han
Changbi, 2009
 Buku Teks
20 Segi hanguk soseul 43 : Buyongsan, kangthong tagae ga obneun maeul, mareul chajasea, ...
Choi Sung Kak; Gu Hyo Seo; Lee Sun Won; Sim Sang Dae; Yun Dae Nyeong
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
Changbi, 2009
 Buku Teks
20 Segi hanguk soseul 48 : Gamja mokneun saramdeul, jomaeje, bincheo, anmodongi itneun gagetjib phunggyeong
Shin; Hin,Kyung Suk; Seo Ha Jin; Eun Hee Kyung; Jun Kyung Rin
Changbi, 2006
 Buku Teks