A. Mohammed, H., and S. E. Al- Mukhtar. “Synthesis and Characterization of Mn(II), Fe(II) and Co(II) Complexes With 4-Hydroxypiperidinedithiocarbamate and Their Adducts With Neutral Bases”. Rafidain Journal of Science, vol. 25, no. 1, Feb. 2014, pp. 53-61, doi:10.33899/rjs.2014.86068.