Intharach, kulisara, and Sunisa Sumirattana. “A STUDY EFFECT OF LEARNING COGNITIVE GUIDED INSTRUCTION AND THINK - PAIR - SHARE TECHNIQUE IN INEQUALITY ON THE MATHEMATICAL PROBLEMS SOLVING ABILITY AND MATHEMATICAL COMMUNICATION ABILITY OF NINTH GRADE STUDENTS”. Journal of MCU Nakhondhat 10, no. 9 (September 26, 2023): 128–136. accessed August 29, 2026. https://so03.tci-thaijo.org/index.php/JMND/article/view/272019.