Title: Hanʼguk nong-ŏchʻon namja chung-kodŭng hakkyo haksaengdŭl ŭi sŏngchŏk paltal e kwanhan il yŏnʼgu
Subtitle: Kyŏngbuk nong-ŏchʻon chiyŏk ŭl chungsim ŭro  : Kim Sŏng-tʻae Kyosu chido sŏksa hagwi nonmun
Subjects: Puberty, Adolescence, Research
Places: Kyŏngsang-pukto, Korea (South)