Dagnelie, P. “Quelques Point Essentiels En Consulation Statistique”. JORBEL - Belgian Journal of Operations Research, Statistics, and Computer Science 25, no. 2-3 (September 1, 1985): 19–28. Accessed May 8, 2024. https://www.orbel.be/jorbel/index.php/jorbel/article/view/470.