@book{KOSIS2023,
author = {KOSIS},
title= {Mean age at first marriage of bridegroom and bride for provinces 1990–2022},
year = {2023},
URL = {https://kosis.kr/statHtml/statHtml.do?orgId=101&tblId=DT_1B83A05&conn_path=I2&language=en},
address = {Daejeon},
publisher = {Statistics Korea},
}