Mganga, Chrisant, and Chrispina S. Lekule. 2021. “The Impact of Quality Assurance Officers’ Activities on Teaching and Learning Process: A Focus on Selected Secondary Schools in Dodoma, Tanzania”. The International Journal of Humanities & Social Studies 9 (5). https://doi.org/10.24940/theijhss/2021/v9/i5/HS2105-054.