YUNUS, Muhammad; SUWITO; HARDYANSAH, Rommy; MUJITO; YULIANIS, M. Sifa Fauzi. Legal Sanctions for Umrah Travel Agencies that Violate Agreements and Law Enforcement Constraints. Journal of Social Science Studies, [S. l.], v. 3, n. 1, p. 47–52, 2023. Disponível em: https://jos3journals.id/index.php/jos3/article/view/210. Acesso em: 28 jan. 2026.