شريف أ. ج.; حسين ف. س. . . The Investment Potential of Natural Resources in the Development of Industrial Activity in the District of Soran. Polytechnic Journal of Humanities and Social Sciences, [S. l.], v. 4, n. 1, p. 123-133, 2023. DOI: 10.25156/ptjhss.v4n1y2023.pp123-133. Disponível em: https://journals.epu.edu.iq/index.php/ptjhss/article/view/1111. Acesso em: 5 may. 2024.