Biqing, Li, Zheng Shiyong, and Qiu Ming. “Research on Picking Identification and Positioning System Based on IOT”. International Journal of Online and Biomedical Engineering (iJOE) 14, no. 07 (July 27, 2018): pp. 149–160. Accessed May 2, 2024. https://online-journals.org/index.php/i-joe/article/view/8988.