Syedd-León, R., Sandoval-Barrantes, M., Trimiño-Vásquez, H., Villegas-Peñaranda, L. and Rodríguez-Rodríguez, G. (2020) “Revisiting the fundamentals of p-nitrophenol analysis for its application in the quantification of lipases activity. A graphical update.”, Uniciencia, 34(2), pp. 31-43. doi: 10.15359/ru.34-2.2.