J. Tanjong, Shirley, Raafat N. Ibrahim, Mali Abdollahian, and Magdalene Andrew-Munot. “Estimating Non-Conformance Using the Modified Tolerance Region Method and the Target Distance Method”. International Journal of Engineering and Technology 7, no. 3.18 (August 2, 2018): 68–74. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/16677.