WEERASIN, W.; AKATIMAGOOL, S. Development of an Instructional Activity Package Based on the Problem-solving Process for Electromagnetic Wave Education. Princess of Naradhiwas University Journal of Humanities and Social Sciences, [S. l.], v. 6, n. 2, p. 48–59, 2019. Disponível em: https://so05.tci-thaijo.org/index.php/pnuhuso/article/view/139118. Acesso em: 3 may. 2024.