Nitum, K. (2024) “Development of a group appointment system for servicevisits by appointment date of non-communicable diseases patients fishermen Paknam Chumphon Hospital”., Journal of Education-Health and Environmental Management, 9(1), pp. 134–143. available at: https://he03.tci-thaijo.org/index.php/ech/article/view/2303 (accessed: 12 September 2026).