عبد العزيز دبدوب مروان. “Comparison Between Some Methods of Tackling the Lack of Experimental Units Needed for Application of Factorial Experiments”. IRAQI JOURNAL OF STATISTICAL SCIENCES 11, no. 2 (December 1, 2011): 163–183. Accessed September 5, 2025. https://ojs.uomosul.edu.iq/index.php/stats/article/view/29357.