Francis, Imelda, and Shaharil Mohd Shah. “Cost-Effective Arduino-Based RFID Automated Cage Door and Pet Tagging With GPS Tracker Using Peer-to-Peer LoRa WAN”. Journal of Electronic Voltage and Application, vol. 3, no. 2, Dec. 2022, pp. 47-58, https://penerbit.uthm.edu.my/ojs/index.php/jeva/article/view/12042.