PAULINO RICARDO. Approach on the impact of the adoption of technological information systems on the operational level of companies: the case of fuel filling stations belonging to sonangol - ep in the municipality of Huambo. Revista Sol Nascente, [S. l.], v. 8, n. 2, p. 58–78, 2019. Disponível em: https://www.revista.ispsn.org/index.php/rsn/article/view/45. Acesso em: 5 nov. 2026.