علي شلال محمد. اعتماد المقاييس في الدول النامية. Iraqi Journal for Computers and Informatics, [S. l.], v. 1, n. 1, p. 17–22, 1977. DOI: 10.25195/ijci.v1i1.114. Disponível em: https://ijci.uoitc.edu.iq/index.php/ijci/article/view/114. Acesso em: 19 jun. 2026.