Swandi, Jhosua Arie, and Irsyadi Yani. “IDENTIFICATION PLASTIC BOTTLE BASED ON LIGHTING SYSTEM ”. Indonesian Journal of Engineering and Science 1, no. 1 (November 21, 2020): 029–038. Accessed September 27, 2025. http://www.aps.or.id/journal/index.php/ijes/article/view/1.