H. Buttrus, N., M. Mohammad, S., & T. Saied, F. (2006). Synthesis and Characterization of Mn(II), Co(II), Ni(II) and Cu(H) complexes with 1,1,2,2-tetrakis-(benzothiazolethio) ethylene and mercaptobenzothiazole salt. Journal of Education and Science (JES), 18(3), 32–42. https://doi.org/10.33899/edusj.2006.77525