Hermawan, Didy, Fajar Ronal Harry Pasaribu, Muhammad Gustryan, Muhammad Fathony, and Faisal Santiago. “Legal Efficiency and Population Control: Analysis of Indonesia’s Family Planning Programme Based on Richard A. Posner’s Theory”. JURNAL ILMIAH GEMA PERENCANA 4, no. 3 (January 23, 2026): 2015–2032. Accessed February 4, 2026. https://gemaperencana.id/index.php/JIGP/article/view/347.