ท้ายเรือคำ ส. Research and Development : Method for Research Developing. Journal of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 1, n. 1, p. 2–11, 2013. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211157. Acesso em: 3 may. 2024.