OSMAN, Mohd Khazri. PANDANGAN SYARAK BERKAITAN PEMALSUAN SIJIL VAKSIN. Jurnal ’Ulwan, [S. l.], v. 10, n. 1, p. 157–162, 2025. Disponível em: https://www.ejournal.unimel.edu.my/index.php/JULWAN/article/view/1965. Acesso em: 21 mar. 2026.