SHEHU, Abolore Kamaldeen; BARDI, Peter Chifum. Evaluating the Impact of Electronic Payment Systems on Service Delivery: A Case Study of Warri Refining Petroleum Company. Faculty of Natural and Applied Sciences Journal of Applied and Physical Sciences, [S. l.], v. 2, n. 1, p. 20–25, 2024. Disponível em: https://fnasjournals.com/index.php/FNAS-JAPS/article/view/442. Acesso em: 4 apr. 2025.