حسين ع. ESTIMATION UNDER INEQUALITY CONSTRAINTS. Dirasat in Economics and Business , [S. l.], v. 12, n. 1, 1976. DOI: 10.37376/deb.v12i1.1858. Disponível em: https://journals.uob.edu.ly/index.php/DEB/article/view/1858. Acesso em: 5 jun. 2026.