L. Adetia, S. Wahyu Suciyati, A. Supriyanto, and G. A. Pauzi, “Soil Moisture Monitoring System Applied to the Internet of Things (IoT) Based Automatic Watering Equipment in Papaya Fields”, J. Energy Mater. Instrum. Technol., vol. 3, no. 2, pp. 63–73, May 2022.