Pyŏng-hŭi Cho

• Ap'ŭn sahoe rŭl nŏmŏ
• Seksyuŏllit'i wa wihŏm yŏn'gu
• Ŭiryo kaehyŏk kwa ŭiryo kwŏllyŏk
• Ŭiryo munje ŭi sahoehak