Min Hwang, Yu, Young Ghyu Sun, Issac Sim, and Jin Young Kim. “Iterative Approach for Performance Improvement of PLC Systems”. International Journal of Engineering & Technology 7, no. 4.4 (September 15, 2018): 7–8. Accessed May 1, 2024. https://sciencepubco.com/index.php/ijet/article/view/19592.