Tungwongjulaniam, C., Thanprasertsuk, S., Theerawat, R., Chancunapas, P., Saejeng, A., Tanabodee, S., Tavajintananon, W., Imkhean, K., Buasakul, P. and Promsawat, C. (2023) “Evaluation of mask efficacy to prevent droplets expelled from mouth and nose to environment”, Disease Control Journal. Nonthaburi, TH, 49(4), pp. 819–831. doi: 10.14456/dcj.2023.67.