HHwangyŏngpŏpHwangyŏngpŏpde Ki-u YiMateriasEnvironmental lawEnvironmental policyEdiciones (1)Hwangyŏngpŏp (1993)Hakhyŏnsa · korMás obras de Ki-u YiCChibang chachʻipŏpChibang chachʻipŏpCChibang haengjŏng e itsŏsŏ kongsa honhap kiŏp e kwanhan yŏnʼChibang haengjŏng e itsŏsŏ kongsa honhap kiŏp e kwanhan yŏnʼguCChibang punkwŏn kwa simin chʻamyŏChibang punkwŏn kwa simin chʻamyŏ
CChibang haengjŏng e itsŏsŏ kongsa honhap kiŏp e kwanhan yŏnʼChibang haengjŏng e itsŏsŏ kongsa honhap kiŏp e kwanhan yŏnʼgu