Khummanee, Jeeraporn, and Montree Wongsaphan. 2020. “Developing the Abilities in Reading for Main Ideas and Summary Writing of Prathomsuksa 4 Students by Using Learning Activities SQ4R”. Journal of Roi Et Rajabhat University 14 (2):13-23. https://so03.tci-thaijo.org/index.php/reru/article/view/210448.