สุขเวสพงษ์ ส. (2019) “Evaluation of the operation of Mueang Pak Chong primary care cluster”., Region 11 Medical Journal, 33(1), pp. 73–90. available at: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/188307 (accessed: 20 September 2026).