I. Kashar, Tahani, Ahmed M. El-Nahas, and Asmaa M. El-Mughamsi. 2010. “Synthesis and Characterization of Fe(III), Co(II), Ni(II), Cu(II) and Zn(II) Complexes of Phenyl Amino Acetic Acid Ethyl Acetoacetate-2-Ylmethylene Hydrazone”. Asian Journal of Chemistry 23 (1):159-65. https://asianpubs.org/index.php/ajchem/article/view/10085.