“The Spectrophotometric Determination of Copper(II) Ion with 7-Bromo-2-Nitroso-1-Oxinaphthalene-3,6-Disulphocid: Spectrophotometric Determination of Copper(II) Ion with 7-Bromo-2-Nitroso-1-Oxinaphthalene-3,6-Disulphocid” (2024) Indian Journal of Chemistry (IJC), 63(5), pp. 500–505. doi:10.56042/ijc.v63i5.9289.