Tunsakul, C., Wongsan, W., & Onamornrat, R. (2020). The learning development on achievement in history of the ayutthaya kingdom by using cycle model learning (4 mat) for matthayom 2 students. Journal of Dhammasuksa Research, 3(1), 27–35. retrieved from https://so07.tci-thaijo.org/index.php/dsr/article/view/442