Service quality and its effect on the profitability of hydrocarbon sales companies. Gestionar: revista de empresa y gobierno, [S. l.], v. 3, n. 2, p. 25–35, 2022. DOI: 10.35622/j.rg.2023.02.003. Disponível em: https://revistas.inudi.edu.pe/index.php/rg/article/view/359. Acesso em: 22 jun. 2026.