كريم رسل; صبير هدى; حميد فوزي. The principle of quality of public utilities - a comparative study. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 2, n. 8, 2024. DOI: 10.56989/benkj.v2i8.880. Disponível em: https://benkjournal.com/index.php/benkj/article/view/880. Acesso em: 19 apr. 2026.