The Impact of Corruption on the Efficiency of Customs Clearance in the Arab Countries. The Arab Journal of Administration, Cairo, v. 44, n. 1, p. 157–166, 2024. DOI: 10.21608/aja.2021.101385.1168. Disponível em: https://ajajournal.org/index.php/aja/article/view/13. Acesso em: 12 jun. 2026.