Pyŏng-hong Pak

• Hanʼguk nongŏp saengsan non
• Hanʼguk nongŏp saengsannyŏk ŭi che yoin e kwanhan yŏnʼgu
• Hyŏndae Hanʼguk muyŏngnon
• Hyŏndae kukche kyŏngjehak