Tantasen, Napatthun, Darunee Tippayakulpairoj, and Kamontip Srihaset. 2025. “Factors Related to Grade 9 Students’ Achievement in English”. Interdisciplinary Academic and Research Journal 5 (3). Maha Sara Kham, TH.:1109-24. https://doi.org/10.60027/iarj.2025.285869.