MURSAL, Mona Elneel Mostafa; MOHAMMED, Hanan Osman Amasaib. The Effect of Banking Services In achieving Copetetive Advantage – A Case study: Omdurman National Bank, 2017- 2021 –. Journal of Economic, Administrative and Legal Sciences, New Mexico, United States, v. 6, n. 14, p. 22–44, 2022. DOI: 10.26389/AJSRP.L120222. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jeals/article/view/5161. Acesso em: 20 dec. 2025.