E-PROCUREMENT PRACTICES AND PERFORMANCE OF LARGE MANUFACTURING FIRMS IN NAIROBI COUNTY. African Journal of Emerging Issues, [S. l.], v. 1, n. 3, p. 21–44, 2019. Disponível em: https://ajoeijournal.org/sys/index.php/ajoei/article/view/18. Acesso em: 12 feb. 2026.