Yulianti W, Kusumanti I, Jannah N. Determination of Nitrite and Nitrate Level in Wastewater Discharge from Smoked Fish Industry. J. Sains Nat. [Internet]. 2022 Jan. 27 [cited 2026 Sep. 22];12(1):17-22. Available from: https://ejournalunb.ac.id/JSN/article/view/323