Laosombutthawee, Pramuan. “Effectiveness the Project Tracking System, Chaiyaphum Provincial Health Office”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima 26, no. 3 (October 1, 2020): 35–43. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/ODPC9/article/view/246224.