UNSI, A.; MENTOK, S. G.; SAM, S. A. 21st Century Skills of Junior High School Science Teachers: A Training Needs Assesment. Advances in Social Sciences Research Journal, [S. l.], v. 8, n. 9, p. 218–238, 2021. DOI: 10.14738/assrj.89.10810. Disponível em: http://116.203.177.230/index.php/ASSRJ/article/view/10810. Acesso em: 23 nov. 2024.