Ketki P. Kshirsagar, et al. “Automatic Sorting Machine Using PLC and HMI Technique”. International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 10 (November 2, 2023): 678–683. Accessed October 2, 2025. https://www.ijritcc.org/index.php/ijritcc/article/view/8563.