Saensri, S. ., G. . Patchanee, and A. . Muenhawong3. “Occupational Vision Test in Handmade Wig Makers”. The Office of Disease Prevention and Control 9th Nakhon Ratchasima Journal, vol. 26, no. 3, Sept. 2020, pp. 5-14, https://he02.tci-thaijo.org/index.php/ODPC9/article/view/246208.