Jankaew, S., C. Lertamornpong, and S. Ugsonkid. “The Study of Probabilistic Reasoning Ability of Mathayomsuksa Three Students by Using Hands on Activities and Gamification”. Journal of Education Rajabhat Maha Sarakham University, vol. 17, no. 3, Dec. 2020, pp. 77-78, https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/251518.