Saensin, N., and J. Khlaisang. “Development of A Mobile Learning Model Integrating Vlog Reflective Learning Method to Enhance Confidence and English Speaking Skills of Secondary Students”. ECT Education and Communication Technology Journal, vol. 18, no. 25, Dec. 2023, pp. 66-83, https://so01.tci-thaijo.org/index.php/ectstou/article/view/267078.