20 Segi hanguk soseol 24: Jon San-guk dan Lee Dong-ha
Chang BI, 2005
Buku Teks
Yi, Kwang-pyo
Son an ui pangmulgwan : choum mannanun munhwajae chaek
Hyohyong Chulpan, 2006
Buku Teks
Kim, Kyo-Bin
Gyoyong ui segye, Hanguk Cheolhak sketch 1 = 스케치 1 = (Korea philosophy) Sketch 1
Doseo Chulphan Phulbit, 2007
Buku Teks
Yi, Chung-yon, 1960-
'Chaek' ui unmyong : Choson-Ilche kangjomgi kumso ui sahoe, sasangsa
Hyean, 2001
Buku Teks
20 Segi hanguk sosol 1
Sin Chae-ho ... [et al.]
Chang bi, 2007
Buku Teks