Chosŏn Minjujuŭi Inmin Konghwaguk pŏpkyujip. Nasŏn Kyŏngje Muyŏk Chidae pumun = Law and regulations of the DPR Korea on the Rason economic and trade zone
Nampuk pangsong kyoryu ŭi pŏpchehwa pangan yŏn'gu : pundan kukka ŭi sahoe munhwa pŏpche yŏn'gu = A study on the legislation of inter-Korean broadcasting interchange