MOHD ARIFF, Muhammad Shafiq Najemee; ABDULLAH, Haslaile; A. JALIL, Siti Zura. A Comparison Study of Radioactivity and Radiation Hazard Index between Legal and Illegal Cigarettes. International Journal of Integrated Engineering, [S. l.], v. 10, n. 7, 2018. Disponível em: https://journal.uthm.edu.my/index.php/ijie/article/view/3474. Acesso em: 7 aug. 2026.