เพ็งเจริญ เ.; ศรีภิรมย์ สิรินิลกุล พ.; จันทรจรูญ เ. A STUDY OF MATHAYOMSUKSA III STUDENTS’ PROOF ABILITIES IN GEOMETRY THROUGH A LEARNING MANAGEMENT WITH INQUIRY-BASED METHOD FOR CIRCLE TOPICS. Journal of Industrial Education, [S. l.], v. 17, n. 1, p. 87–94, 2018. Disponível em: https://ph01.tci-thaijo.org/index.php/JIE/article/view/139935. Acesso em: 4 may. 2024.