Pires, Cherrine Kelce, Efraim Lázaro Reis, Maria Isabel Cristina Batista Mayrink, and Gabriel Henrique Sperandio. 2024. “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 10 (7). Viçosa/MG, BR:20766. https://doi.org/10.18540/jcecvl10iss7pp20766.