ท้ายเรือคำ ส. (2013) “Research and Development : Method for Research Developing”, Journal of Research and Development Institute Rajabhat Maha Sarakham University, 1(1), pp. 2–11. Available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211157 (Accessed: 3 May 2024).