FAAEQ, M. K. Munadil K. F. Electronic certification and its importance in developing cities and societies into smart cities and societies. Al-Kitab Journal for Human Sciences, [S. l.], v. 1, n. 1, p. 22–28, 2018. DOI: 10.32441/kjhs,1.1.03. Disponível em: https://isnra.net/ojs/index.php/KJHS/article/view/1768. Acesso em: 16 oct. 2026.