Noor Hishmuddian Rahim; Mohammed Feizol Anuar Hj Ayub; Mohd Radzi Hj Hamid; Ahmad Saifuddin Talha; Farizal Myeor; Mohd Najib Saad; Mohd Zaki Abu; Hamidi Hashim. KRISIS PERLEMBAGAAN PERAK 2009 DAN KESAN TERHADAP PERPADUAN NASIONAL: THE PERAK CONSTITUTION CRISIS 2009 AND ITS IMPACT ON NATIONAL UNITY. ZJDMSSH 2020.