«Preferential Solvation of 4-Carboxyl-2, 6-Dinitrophenylazohydroxynaphthalenes in Mixed Hydroxylic Solvents». Nigerian Journal of Pharmaceutical Research, vol. 17, núm. 1, agost 2021, p. 1-13, https://doi.org/10.4314/njpr.v17i1.1.