Al-Ddarwish, Salima Al-Seddik, et al. “Study of Absorption Spectrum of Murexide Complex With Cobalt Ion in a Water and 2-Propoanol Solvent Mixture ”. Al-Mukhtar Journal of Sciences, vol. 38, no. 2, June 2023, pp. 215-24, doi:10.54172/mjsc.v38i2.974.