2021. Preferential Solvation of 4-Carboxyl-2, 6-Dinitrophenylazohydroxynaphthalenes in Mixed Hydroxylic Solvents. Nigerian Journal of Pharmaceutical Research. 17, 1 (أغسطس 2021), 1–13. DOI:https://doi.org/10.4314/njpr.v17i1.1.