Fubile, Fred, and Jackson Sawe. “The Impact of Pupil-Teacher Ratio on Performance in Mastering Reading, Writing and Arithmetic Competencies in Morogoro Municipality. A Case Study of Standard Four Pupils in Primary Schools”. East African Journal of Education Studies 5, no. 3 (November 7, 2022): 250-258. Accessed August 26, 2025. https://www.journals.eanso.org/index.php/eajes/article/view/931.