ALAMRY, Ahmad Mohammed; BIN IBRAHIM, Manal Hassan. Teacher competencies necessary for teaching chemistry in the context of Twenty-first century skills. Journal of Curriculum and Teaching Methodology, New Mexico, United States, v. 2, n. 10, p. 80–93, 2023. DOI: 10.26389/AJSRP.R060623. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jctm/article/view/6804. Acesso em: 19 dec. 2025.