Arada-Pérez, M. de los Ángeles ., K. Y. . Nápoles-Florián, J. M. . Rodríguez-Acebal, M. . Yazdani-Pedram, and A. R. . Lazo-Fraga. “Nitrate Determination in Natural Water Samples by Potentiometry With Ion Selective Electrode”. Revista Cubana De Química, vol. 34, no. 2, June 2022, pp. 242-6, https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/5241.