UNSI, Alibai; MENTOK, SAMER G.; SAM, SOLAYHA 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: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/4875. Acesso em: 28 may. 2026.