DOKCOM, U.; THAOTO, D. S. The Development of science learning activities by stem education of our local soil to promote the ability to solve problems for prathomsuksa 2 students. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 9, n. 1, p. 63–73, 2020. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/224110. Acesso em: 1 oct. 2026.