Gandha, G., & Nurcipto, D. (2016). Strategi Kendali Kadar Nitrat Berbasis Fuzzy-PID pada Proses Nitrogen Removal di Instalasi Pengolahan Air Limbah. JURNAL INFOTEL, 8(2), 124-131. https://doi.org/10.20895/infotel.v8i2.125