สมชาย ว, เรืองมนตรี ก. The Development Program To Develop Teachers Side Developing Learners’ Analytical Thinking Skills For Schools In Udon Thani Primary Educational Service Area office 1. J Roi Et [Internet]. 2018 Dec. 1 [cited 2024 Apr. 25];12(2):35-4. Available from: https://so03.tci-thaijo.org/index.php/reru/article/view/165095