“Synthesis and Spectroscopic Studies of Some Divalent Metall Ion Complexes of 3-(4-Hydroxyphenyl)-2-(3-(4-Nitrobenzoyl) Thioureido) Propanoic Acid”. Baghdad Science Journal, vol. 14, no. 3, Sept. 2017, p. 0588, https://doi.org/10.21123/bsj.2017.14.3.0588.