Sululu P, Ochieng P, Kirwok E. Contribution of Quality Assurance and Standards Officers’ in Enhancing Kenya Certificate of Secondary Education Performance in Kwanza SubCounty. ajest [Internet]. 2022 Nov. 8 [cited 2026 Apr. 3];7(2):pg 331 - 341. Available from: http://ajest.org/index.php/ajest/article/view/884