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 | UNIVERSITAS ANDALAS 16, no. 1 (September 22, 2023): 1–12. Accessed March 5, 2026. https://jif.fmipa.unand.ac.id/index.php/jif/article/view/580.