Principals’ and Deputy Principals’ Perceptions of the Effect of Quality Control Practices on the Academic Achievement of Public Secondary Schools in Kakamega County, Kenya. African Journal of Empirical Research, [S. l.], v. 5, n. 4, p. 2031–2042, 2024. DOI: 10.51867/ajernet.5.4.169. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/329. Acesso em: 25 may. 2026.