MUSHARRAH, Mohammed A. The importance of ceremony and protocol in diplomatic work. Queen Arwa University Journal, [S. l.], v. 20, n. 20, p. 89–112, 2018. DOI: 10.58963/qausrj.v1i20.181. Disponível em: https://journal.qau.edu.ye/index.php/srj/article/view/181. Acesso em: 10 sep. 2025.