Rotich, Joyce, Pauline Keitany, and Hellen Sang. “Ethical Principles and Procurement Management in Selected Public Secondary Schools in Kericho County, Kenya.”. East African Journal of Business and Economics 3, no. 1 (March 16, 2021): 57-64. Accessed April 18, 2024. https://journals.eanso.org/index.php/eajbe/article/view/298.