Nasution, Subhan Fahmi, Harmadi Harmadi, Suryadi Suryadi, and Bambang Widiyatmoko. “Development of River Flow and Water Quality Using IOT-Based Smart Buoys Environment Monitoring System”. JURNAL ILMU FISIKA 16, no. 1 (September 22, 2023): 1–12. Accessed May 10, 2024. http://jif.fmipa.unand.ac.id/index.php/jif/article/view/580.