David Ogega, George Ogochi . Influence of Teacher Trainings Organized By Quality Assurance and Standards Officers on Students’ Academic Performance in Public Secondary Schools in Gucha Sub-County, Kenya. er [Internet]. 2020Mar.31 [cited 2024Dec.29];5(3):01-2. Available from: http://cpcalendars.ijrdo.org/index.php/er/article/view/3570