YOUSIF, Faroug Mohammed Khalid; MUSA, Almahdi Musa Attahir. The Determinants Factors of Balance of Payments: An Investigation from Sudan through the Period 1980-2016. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 38, n. 1, p. 265–282, 2017. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/3343. Acesso em: 18 sep. 2025.