Plangcharoensri, P., and T. Eakapont. “A Case Study of Improving English Speaking Ability for Presentation Using Audio Lingual Method”. Dhammathas Academic Journal, vol. 25, no. 4, Dec. 2025, pp. 285-00, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/287814.