H. Buttrus, N., A. Taqa, A., M. Rumadthan, E. and Uekusa, H. 2012. Synthesis and Characterization of Mn+2, Co+2, Ni+2, Cu+2 and Zn+2 Complexes with Pyridinium Salt. Crystal Structure of 1,3, 5- Trimethylpyridinium Iodide. Rafidain Journal of Science. 23, 1 (Jan. 2012), 104–115. DOI:https://doi.org/10.33899/rjs.2012.29427.