MASUKU , G. J. .; HLONGWANE , Jeremy. The Influence of E-Procurement on the Effectiveness of Micro-scale and Medium-sized Businesses in South Africa. Journal of Procurement and Supply Chain Management , [S. l.], v. 1, n. 1, p. 46–60, 2022. Disponível em: https://gprjournals.org/journals/index.php/jpscm/article/view/29. Acesso em: 19 sep. 2025.