LAFTAA, Abbas Asfour; MAHDI, Mahdi Thabet. feasibility study for the establishment of an air duct manufacturing plant in Najaf. Al-Ghary Journal of Economic and Administrative Sciences, Kufa, Najaf, IRAQ, v. 18, n. 2, p. 177–192, 2022. DOI: 10.36325/ghjec.v18i2.13839. Disponível em: https://journal.uokufa.edu.iq/index.php/ghjec/article/view/13839. Acesso em: 11 nov. 2026.