TSEGAY, Ataklti Weldeabzgi. Tax Exemption through Letters: Issues of Legality and Equality. Bahir Dar University Journal of Law, [S. l.], v. 5, n. 1, p. 127–169, 2022. DOI: 10.20372/bdujol.v5i1.1041. Disponível em: https://journals.bdu.edu.et/index.php/bdujl/article/view/1041. Acesso em: 27 feb. 2026.