Amin, Hanaw Ahmed. “Regression Techniques for Analys Is of Variance With Application to the Reduction on Serum Cholesterol Level”. Tikrit Journal of Administrative and Economic Sciences 18, no. 57, 2 (March 31, 2022): 505–519. Accessed September 22, 2026. https://www.tjaes.org/index.php/tjaes/article/view/199.