A. Kasmin, I. Masood, N. Abdul Rahman, A. . Fadzillah, and M. . Abdol Rahman, “Identifying Unnatural Variation in Precision Rotational Part Manufacturing”, IJIE, vol. 13, no. 2, pp. 189–195, Dec. 2020, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/7641