20 Segi hanguk sosol 20: gang muneojin geuksang:gang geoneo jocchok-eso
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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 sosol 17 : Kapitan Ri, obathan, thalhyang, phanmurjeon
Changbi, 2010
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20 Segi hanguk sosol 15: Babido, yohan sijib, yuye, bulsinsidoe, ssyori kim
Changbi, 2005
Buku Teks
20 Segi hanguk sosol 33: Junggugin geori, jeonyeok-e geim, byeongohwe, gyoul-e hwan
Changbi, 2005
Buku Teks