الحجار اقبال; الجنابي سيروان. أنواع الازدواجية. Journal of Jurisprudence Faculty, Kufa, Najaf, IRAQ, v. 1, n. 40, p. 389–412, 2022. DOI: 10.36324/fqhj.v2i40/41.3843. Disponível em: https://journal.uokufa.edu.iq/index.php/fqhj/article/view/3843. Acesso em: 10 aug. 2026.