Sakunee, K., C. Boonputtikorn, and T. Arunchai. “Enhancing the Lower Two-Handed Skills in Volleyball through the implementation of a Learning Management System: A Training Program for 6th-grade Students at Chumchonklongjan School, Chainat Province”. RMUTK Journal of Liberal Arts, vol. 6, no. 1, May 2024, pp. 61-68, https://so02.tci-thaijo.org/index.php/larts-journal/article/view/266032.