Zheng, Wenbin, Zhe Yang, Lei Feng, and Ping Fu. “Remote Automatic Meter Reading System”. International Journal of Online and Biomedical Engineering (iJOE) 13, no. 10 (November 7, 2017): pp. 48–62. Accessed May 3, 2024. https://online-journals.org/index.php/i-joe/article/view/6751.