INTRA, P.; ASANAVIJIT , V. .; RATTANACHAN, W. . Evaluation of the Particle Filtration Efficiency of Surgical Masks by Electrostatic and Light Scattering Particle Counters. Engineering and Technology Horizons , [S. l.], v. 39, n. 2, p. 53–69, 2022. Disponível em: https://ph01.tci-thaijo.org/index.php/lej/article/view/247419. Acesso em: 26 apr. 2024.