“PEMANFAATAN HASIL NITRIFIKASI LIMBAH CAIR PERIKANAN SECARA BIOLOGIS SEBAGAI PUPUK NITROGEN PADA TANAMAN BAYAM (Amaranthus sp.): Utilization of Biologically Nitrificated Fishery Industrial Wastewater as Nitrogenous Fertilizer for Spinach Vegetable (Amaranthus sp.)”, AKU, vol. 4, no. 1, Sep. 2018, Accessed: Aug. 26, 2026. [Online]. Available: https://www.journal.ubb.ac.id/index.php/akuatik/article/view/408