Thunboonyakid, S., Sukchan, P. and Sangsri, T. (2023) “A A retrospective study on the effectiveness of active surveillance, control and prevention of the outbreak of COVID-19 in rural communities, Ron Phibun District Nakhon Si Thammarat Province”, Princess of Naradhiwas University Journal, 15(2), pp. 225–242. Available at: https://li01.tci-thaijo.org/index.php/pnujr/article/view/255133 (Accessed: 3 May 2024).