Tanachai, Kanokrat, Parinya Thongsorn, and Somsiri Singlop. “THE EFFECTS PROBLEM-BASED LEARNING WITH JIGSAW TECHNIQUE OF THAILAND GEOGRAPHY ACHIEVEMENT AND ANALYTICAL THINKING ABILITIES OF PRATHOMSUKSA 6 STUDENTS”. Journal of Educational Review Faculty of Education in MCU 9, no. 2 (August 31, 2022): 186–196. Accessed April 27, 2024. https://so02.tci-thaijo.org/index.php/EDMCU/article/view/249458.