2007. UV-VIS SPECTROPHOTOMETRIC STUDY OF COPPER (II) CHLORIDE AND NITRATE COMPLEXES IN DIETHYLSULFOXIDE. Proceedings of the YSU B: Chemical and Biological Sciences. 41, 1 (212) (Mar. 2007), 51–56. DOI:https://doi.org/10.46991/PYSUB.2007.41.1.051.