Mamat, Mohamad Asrol Arpidi, and Ahmad Zainudin Husin. 2020. “Isu Dan Krisis Perlembagaan Persekutuan 1988: Issues and Crisis of the Federal Constitution 1988”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan 12 (1):12-27. https://ojs.upsi.edu.my/index.php/PERS/article/view/249.