PHIMOOLCHAT, J.; AHVIPHAN, M. . Improving Production Efficiency for Ancient Umbrella Production Process. Thai Industrial Engineering Network Journal, [S. l.], v. 8, n. 1, p. 62–71, 2022. Disponível em: https://ph02.tci-thaijo.org/index.php/ienj/article/view/246010. Acesso em: 8 may. 2024.