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