Putra, P. O. A. A., Z. B. A. Simatupang, and R. Matias. “Analysis of the Childfree Phenomenon in South Korea Society Through Frankfurt School Perspective”. Proceedings of Sunan Ampel International Conference of Political and Social Sciences, Vol. 1, Dec. 2023, pp. 14-26, doi:10.15642/saicopss.2023.1..14-26.