SULULU, Peter; OCHIENG, Pamela; KIRWOK , Emily. Contribution of Quality Assurance and Standards Officers’ in Enhancing Kenya Certificate of Secondary Education Performance in Kwanza SubCounty. African Journal of Education,Science and Technology (AJEST), [S. l.], v. 7, n. 2, p. pg 331 – 341, 2022. Disponível em: http://ajest.org/index.php/ajest/article/view/884. Acesso em: 3 apr. 2026.