Gusli, Tan. “Preservation of Marriage Institutions: Effort to Prevent the Economic Impact of Sex Crisis and Depopulation Due to Childfree, Waithood and Freesex Practices in Indonesia”. JURNAL ILMIAH GEMA PERENCANA 3, no. 1 (August 12, 2024). Accessed November 3, 2025. https://gemaperencana.id/index.php/JIGP/article/view/60.