AL-TALB, M.; AL-QUSAYMY, A.; AL-SHABKON, A. Comparison Between Two Methods, H.S.L. and The Iteration Method to Estimate Parameter of Ridge. TANMIYAT AL-RAFIDAIN, [S. l.], v. 29, n. 86, p. 170–179, 2007. DOI: 10.33899/tanra.2007.161705. Disponível em: https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/29963. Acesso em: 10 sep. 2025.