Estimating the Multiple Regression Model Using the Bootstrap Method to Study the Effect of Environmental Wastes on the Waters of the Euphrates River. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 54, n. 1, p. 107–124, 2024. DOI: 10.55562/jrucs.v54i1.581. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/581. Acesso em: 26 mar. 2025.