Prutthisan, C., D. . Tippayakulpairoj, and K. . Srihaset. “Comparison of Factors Related to Mathematics Achievement of Mathayomsuksa 3 Students Classified According to School Size”. Interdisciplinary Academic and Research Journal, vol. 4, no. 2, Apr. 2024, pp. 361-76, doi:10.60027/iarj.2024.274657.