FIRHAN MAHDAVIKIA; AMIRUL MUSTOFA; SARWANI SARWANI; DIAN FERRISWARA. The Role of the Protocol Division in Supporting the Activities and Performance of Regional Leaders. International Journal of Humanities and Social Sciences Reviews, [S. l.], v. 3, n. 2, p. 66–77, 2026. DOI: 10.62951/ijhs.v3i2.613. Disponível em: https://international.appisi.or.id/index.php/IJHS/article/view/613. Acesso em: 17 apr. 2026.