ดาวเรือง ศ. Application of cause and effect charts to find the cause of service problems of Siam Technique . Research and Development Journal Sisaket Rajabhat University, Sisaket, Thailand, v. 6, n. 1, p. 22–38, 2020. Disponível em: https://so01.tci-thaijo.org/index.php/sskru-resarch/article/view/243581. Acesso em: 17 sep. 2026.