WORKU, Yohannes Bekele; MUCHIE, Mammo. The Uptake of E-Commerce Services In Johannesburg. Civil Engineering Journal, [S. l.], v. 5, n. 2, p. 349–362, 2019. DOI: 10.28991/cej-2019-03091250. Disponível em: https://www.civilejournal.org/index.php/cej/article/view/1170. Acesso em: 27 jun. 2025.