เอกพันธ์ ว. (2019) “หน้าปก”, Journal of Graduate School Sakon Nakhon Rajabhat University. Sakon Nakhon, Thailand, 16(74). available at: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/219140 (accessed: 12 September 2026).