Jadual Keempat Perjanjian Persekutuan Tanah Melayu 1957: Intipati dan Kepentingannya kepada Kedah: The Fourth Schedule of the Federation of Malaya Agreement 1957: Its Essence and Importance to Kedah. Law, Policy, and Social Science, [S. l.], v. 5, n. 1, p. 158–169, 2026. DOI: 10.55265/lpsjournal.v5i1.155. Disponível em: https://lps.irpublisher.com/index.php/journal/article/view/155. Acesso em: 1 nov. 2026.