Kaewrassamee, C., T. Pasawano, and T. Sottiwan. “A Development of an Applications for Self-Learning in Topic of Four Noble Truths for Secondary 3 (Grade 9) Students at Udomvithaya School”. Mahachula Academic Journal, vol. 9, no. 1, Apr. 2022, pp. 348-59, https://so04.tci-thaijo.org/index.php/JMA/article/view/257584.