Srisupap, W., Bhumiratana, A., Lekphan, S., Nunthawarasilp, P. and Maneekan, P. (2022) “Guideline for effective development of COVID-19 safety plan in business establishments ”, Disease Control Journal. Nonthaburi, TH, 48(3), pp. 471–483. doi: 10.14456/dcj.2022.40.