Jijun, Xing. “An Intelligent Logistics Tracking System Based on Wireless Sensor Network”. International Journal of Online and Biomedical Engineering (iJOE) 14, no. 01 (January 25, 2018): pp. 17–28. Accessed April 28, 2024. https://online-journals.org/index.php/i-joe/article/view/8063.