TARESSA BEDADA. Enhancing how to practice writing chemical symbols and formulae through a competency-based curriculum approach among environmental science trainees at Oromia State University, Chiro Education Campus, Ethiopia. Journal of Science, Technology and Arts Research, [S. l.], v. 15, n. 2, p. 11–24, 2026. DOI: 10.20372/star.V15.i2.02. Disponível em: https://journals.wgu.edu.et/index.php/star/article/view/1939. Acesso em: 1 jul. 2026.