A. Hassan, Kh., N.A. Al-Hashimi, and E.M. Nour. “Synthesis and Characterization of Oxovanadium(IV) Urea Compound”. Asian Journal of Chemistry 17, no. 4 (June 7, 2016): 2604–2610. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/13919.