เอกพันธ์ ว. (2019) “หน้าปก”, Journal of Graduate School Sakon Nakhon Rajabhat University. Sakon Nakhon, Thailand, 16(73). available at: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/198962 (accessed: 10 October 2026).