Tay, Poh Jing, and Siti Hana Nasir. 2021. “A Review Study on the Effect of Needle Punching Machine Parameters on the Filtration Efficiency of Non-Woven Fabric Used for Development of Face Mask”. Progress in Engineering Application and Technology 2 (1): 769-78. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/665.