Pérez-Ortiz, M., P. Pizarro, and A. Álvarez-Lueje. “CARBON NANOTUBES–IONIC LIQUID GEL. CHARACTERIZATION AND APPLICATION TO PSEUDOEPHEDRINE AND CHLORPHENIRAMINE DETERMINATION IN PHARMACEUTICALS”. Journal of the Chilean Chemical Society, Vol. 64, no. 1, Mar. 2019, https://jcchems.com/index.php/JCCHEMS/article/view/1041.