Bedada, T. (2026) “Enhancing how to practice writing chemical symbols and formulae through a competencybased curriculum approach among environmental science trainees at Oromia State University, Chiro Education Campus, Ethiopia”, Science, Technology and Arts Research Journal, 15(2), pp. 11–24. Available at: https://www.ajol.info/index.php/star/article/view/332829 (Accessed: 31 August 2026).