Drybati , Muhammad Mazyad, Mounzer Boubou, and Hadil Darwish. “The Effect of Both the Size and The Type of Statistical Sampling on The Estimates of Simple Linear Regression Equation Coefficients”. Tishreen University Journal -Basic Sciences Series 40, no. 1 (October 24, 2018). Accessed May 21, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4309.