Han'gugŏ, kŭ p'aran ŭi yŏksa wa saengmyŏngnyŏk - Baeg, Nag cheong 1938-; Im, Hyeong taeg 1943-; Chŏng, Sŭng-ch'ŏl; Choe, Gyeong bong 1965- (Ch'angbi, 2020)