BUSINAN, Ruqaya. Research Problem: Concept, Formation and Characteristics. ALBAHITH ALALAMI, Baghdad, Iraq, v. 10, n. 39, p. 77–94, 2018. DOI: 10.33282/abaa.v10i39.71. Disponível em: https://abaa.uobaghdad.edu.iq/index.php/abaa/article/view/71.. Acesso em: 7 may. 2024.