HERMAWAN, D.; PASARIBU, F. R. H.; GUSTRYAN, M.; FATHONY, M.; SANTIAGO, F. Legal Efficiency and Population Control: Analysis of Indonesia’s Family Planning Programme Based on Richard A. Posner’s Theory. JURNAL ILMIAH GEMA PERENCANA, [S. l.], v. 4, n. 3, p. 2015–2032, 2026. DOI: 10.61860/jigp.v4i3.347. Disponível em: https://gemaperencana.id/index.php/JIGP/article/view/347. Acesso em: 4 feb. 2026.