NDIWA , Simon Kamos. Procurement Practices’ Influence on Business Performance: An Analysis of Buyer-Supplier Relationships of Small and Medium Enterprises (SMEs) in Uasin Gishu County . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 3, p. pp 217–222, 2013. Disponível em: https://ajest.org/index.php/ajest/article/view/362. Acesso em: 12 jun. 2026.