Layout of the Administrative Offices at the College of Adminstration and Economics - University Of Diyala Using Matrix Relations. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 40, n. 2, p. 141–166, 2021. DOI: 10.55562/jrucs.v40i2.197. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/197. Acesso em: 16 apr. 2026.