SIRIWONGKHRUEA, P.; SIRICHAISIN , K. . The Development of Achievement Curriculum on Linear Equation Using Problem-Based Learning for Second Year in Vocational Certificate Program. Education journal Faculty of Education, Nakhon Sawan Rajabhat University , Nakhon Sawan,Thailand, v. 6, n. 3, p. 234–245, 2023. DOI: 10.2774.EDU2023.3.262081. Disponível em: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/262081. Acesso em: 17 may. 2024.