Pires, C. K., E. L. Reis, M. I. C. B. Mayrink, and G. H. Sperandio. “Comparison of Spectrophotometric, Potentiometric and Voltammetric Methodologies for the Determination of Nitrite and Nitrate in Industrial Effluents and in Watercourses”. The Journal of Engineering and Exact Sciences, vol. 10, no. 7, Dec. 2024, p. 20766, doi:10.18540/jcecvl10iss7pp20766.