WORAPONGPAT, N. Quality Improvement Guidelines of Effective Service Management for the Services of the Support Department of Direct Business Members of the Health Food Business Group of the Thai Direct Selling Business Association after the Covid-19 Situation. Journal of Liberal Arts RMUTT, Pathum Thani, Thailand, v. 4, n. 1, p. 16–25, 2023. Disponível em: https://so07.tci-thaijo.org/index.php/JLA/article/view/2324. Acesso em: 25 apr. 2025.