เอกพันธ์ ว. บทบรรณาธิการ. Journal of Graduate School Sakon Nakhon Rajabhat University, Sakon Nakhon, Thailand, v. 15, n. 68, 2018. Disponível em: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/129836. Acesso em: 16 sep. 2026.