Structural Aspects of Mixed Ligand Complexes of Ni(II) Metal Chelates of Organic Acids with Propylenediamine. J. Int. Acad. Phys. Sci. [Internet]. 2018 Sep. 15 [cited 2026 Oct. 23];22(3):255-62. Available from: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/210