ปุณธนกรภัทร์ ณ. .; ปุณธนกรภัทร์ น. . Work study to improving efficiency the printing process on refrigerator air vent. Journal of Bansomdej Engineering and Industrial Technology, Bangkok, Thailand, v. 2, n. 1, p. 43–53, 2021. Disponível em: https://ph04.tci-thaijo.org/index.php/JEITB/article/view/4774. Acesso em: 6 jun. 2025.