Distance squared method fortified (QDE) and compared with some other estimation methods fortified with practical application. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 24, n. 1, p. 41–63, 2021. DOI: 10.55562/jrucs.v24i1.464. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/464. Acesso em: 29 jun. 2026.