M. Arishy, N. et al. 2014. Determination of Stability Constants of Mixed Ligand Complexes of Picolinic Acid and Other Bioactive Ligands with Zn(II) by Potentiometric Titration Method. Asian Journal of Chemistry. 26, 8 (Apr. 2014), 2395–2399. DOI:https://doi.org/10.14233/ajchem.2014.16023.