Ekawati, L., and S. . Maliki. “Analisis Kuantitatif Kadar Tembaga (Cu) Dalam Sampel Air Menggunakan Spektrofotometri UV-Vis”. Journal of Multidisciplinary Inquiry in Science, Technology and Educational Research, vol. 2, no. 3, July 2025, pp. 3980-6, doi:10.32672/mister.v2i3.3515.