Marubini, Ettore, and Annalisa Orienti. “A Reaction to a Challenging Example in Multiple Regression Analysis”. Statistica Applicata - Italian Journal of Applied Statistics 29, no. 1 (February 17, 2020): 95–106. Accessed April 5, 2025. https://www.sa-ijas.org/ojs/index.php/sa-ijas/article/view/47.