JOHN ANYANWU. Oil wealth, ethno-religious-linguistic fractionalization and democracy in the Middle East and North Africa. European Economic Letters (EEL), [S. l.], v. 4, n. 1, p. 23–29, 2022. DOI: 10.52783/eel.v4i1.37. Disponível em: https://eelet.org.uk/index.php/journal/article/view/37. Acesso em: 24 oct. 2025.