1.
Osman B, Leman AMB, Rahman K, et al. Respiratory Protective Equipment (RPE) Standard – Disposable Filtering Half Mask on N95, FFP2 and KN95. jaita. 2022;3(1):50-54. Accessed May 1, 2024. https://penerbit.uthm.edu.my/ojs/index.php/jaita/article/view/11366