Arunachalam A, Ramachandramoorthy T, Padmavathy S, and Narendran R. “Eco-Friendly Preparation and Bio-Potential Evaluation of Co(II), Ni(II) and Cu(II) Complexes With Phenylacetylurea and Benzoate Ion Ligands”. World Journal of Pharmaceutical Sciences, vol. 3, no. 9, Sept. 2015, pp. 1840-7, https://wjpsonline.com/index.php/wjps/article/view/bio-potential-phenylacetylurea-benzoate-ion-ligands.