Estimating the Multiple Regression Model Using the Bootstrap Method to Study the Effect of Environmental Wastes on the Waters of the Euphrates River. Al-Rafidain J Sci [Internet]. 2024 Jan. 13 [cited 2024 Nov. 19];54(1):107-24. Available from: https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/581