Synthesis and Spectral Study of New Azo - Azomethine Dyes and its Copper (II) Complexes Derived from Resorcinol, 4-Aminobenzoylhydrazone and 4-Amino antipyrine. (2018). Al-Nahrain Journal of Science, 14(4), 50-56. https://anjs.edu.iq/index.php/anjs/article/view/756