K. Botamo, J. Senthilkumar, and B. Gizzie, “The Role of Co-Curricular Activities in Improving English Language Speaking Skill of Grade Ten Students at Pinyudo Secondary School in Gog Woreda Gambella, Ethiopia ”, Rand. Inter. Edu. Ling. Sci. J., vol. 5, no. 2, pp. 779-790, Jun. 2024.