ขจร อ. (2017). The Development of Instructional Packages to Support Learning Management of Co–operative Learning on the Topic “Lilittalengpai”, of the Thai Language Department for Matayom Suksa 5 Students. Journal of Roi Et Rajabhat University, 11(1), 48–56. Retrieved from https://so03.tci-thaijo.org/index.php/reru/article/view/176372