Thanasetthawatthana, Chokthiraphak. 2019. “Thai Learning Management Approaches Based on the Implementation of 5Ls Technique to Improve Learners’ Standardization in the 21st Century”. Wiwitwannasan Journal of Language and Culture 2 (2):93-114. https://so06.tci-thaijo.org/index.php/wiwitwannasan/article/view/192755.