“Synthesis and Spectroscopic Studies of some Divalent Metall Ion Complexes of 3-(4-hydroxyphenyl)-2-(3-(4-nitrobenzoyl) thioureido) propanoic acid”, Baghdad Sci.J, vol. 14, no. 3, p. 0588, Sep. 2017, doi: 10.21123/bsj.2017.14.3.0588.