BOONSUWAN, W. . THE DEVELOPMENT OF MATHEMATICS ACTIVITY PACKAGES ON EQUATION AND EQUATION SOLVING, PRATHOMSUKSA 6 STUDENTS OF SCHOOLS IN EDUCATIONAL FUND PROJECT, LOPBURI PROVINCE. JOURNAL OF EDUCATION NARESUAN UNIVERSITY, [S. l.], v. 22, n. 2, p. 157–168, 2020. Disponível em: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/240437. Acesso em: 27 may. 2022.