AHMED, Asaad. Definition, Characteristics and Types of Taxation in Positive Law and Islam. University of Zawia Journal of Legal and Sharia Sciences, [S. l.], v. 6, n. 10, p. 57–80, 2017. Disponível em: http://journals.zu.edu.ly/index.php/UZJLSS/article/view/2121. Acesso em: 12 nov. 2026.