JMDFP INGLES; TM LOUW; MJ BOOYSEN. Water quality assessment using a portable UV optical absorbance nitrate sensor with a scintillator and smartphone camera. Water SA, [S. l.], v. 47, n. 1 January, 2021. DOI: 10.17159/wsa/2021.v47.i1.9453. Disponível em: https://watersa.net/article/view/9453. Acesso em: 5 may. 2024.