Ardhan, Titinan, and Chonlada Laohawiriyanon. 2017. “Effects of English Captioned Videos and Non-Captioned Videos on Grade 5 Learners’ Listening Ability”. Journal of International Studies, Prince of Songkla University 7 (1):19-49. https://so03.tci-thaijo.org/index.php/jis/article/view/113519.