HUSSEIN, Bikhtiyar. Leadership Qualities and Sustainable Competitive Advantage: AnalyzingSmall and Medium-Sized Businesses in Erbil. International Journal of Advanced Engineering, Management and Science, [S. l.], v. 8, n. 7, 2022. Disponível em: https://journal-repository.com/index.php/ijaems/article/view/5223.. Acesso em: 2 may. 2025.