Asanavijit, V. . and Intra, P. . (2022) β€œAn Automated Filter Tester Based on an Electrostatic Particle Counter for Testing the Particle Filtration Efficiency of Surgical Masks and N95 Masks ”, Engineering and Technology Horizons , 39(3), pp. 147–166. Available at: https://ph01.tci-thaijo.org/index.php/lej/article/view/247363 (Accessed: 3 May 2024).