Challenges Related to Determining Taxes on Electronic Commerce A Field Study on the Executive Unit for Taxes on large Taxpayers. Journal of Yemen Academy for Graduate Studies, [S. l.], v. 5, n. 1, p. 99–141, 2022. Disponível em: https://yemenacademy.edu.ye/journal/index.php/YAGS/article/view/51. Acesso em: 3 jul. 2026.