Osman, Mohd Khazri. “PANDANGAN SYARAK BERKAITAN PEMALSUAN SIJIL VAKSIN”. Jurnal ’Ulwan 10, no. 1 (July 14, 2025): 157–162. Accessed March 21, 2026. https://www.ejournal.unimel.edu.my/index.php/JULWAN/article/view/1965.