Anggita Nur Fathoni, and Unan Yusmaniar Oktiawati. 2021. “Blackbox Testing on Prototype of a Water Quality Monitoring System Based on IoT”. Jurnal Nasional Teknik Elektro Dan Teknologi Informasi 10 (4), 362-68. https://doi.org/10.22146/jnteti.v10i4.2095.