Chinphongsaton, Sawitchaya, Sariyakan Yikengiam, and Piyaporn Pitchayapirat. 2024. “Developing Reading Comprehension Ability for Main Idea of Mathayomsuksa 1 Students Through Concept Mapping”. Ubon Ratchathani Journal of Research and Evaluation 13 (1):55-63. https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/268257.