Yi, Sŭng-nyŏl (Researcher in labor studies)

• Ch'ŏngnyŏn nodong sijang ihaeng kwa sahoejŏk tongnip kwajŏng yŏn'gu
• Kojol miman hangnyŏk ch'ŏngnyŏnch'ŭng koyong munje kaesŏn ŭl wihan chŏngch'aek yŏn'gu
• P'ŭriraensŏ ŭi nodong kwa wihŏm
• Sŏbisŭŏp sanŏp chaehae ŭi silt'ae wa chŏngch'aek kwaje