PUBLIC TENDERING TRANSFORMATION PRACTICES AND PERFORMANCE OF PREFERENCE GROUPS IN MACHAKOS COUNTY, KENYA. International Journal of Innovation, Enterprise, and Social Sciences , [S. l.], v. 6, n. 2, p. 377–394, 2026. Disponível em: https://scholarnestpublishers.com/index.php/IJIESS/article/view/85. Acesso em: 14 nov. 2026.