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