Sumayyah Ahwaas, Fatma Ackacha, and Ilyas Salem, “Determination of Iron Concentration in Drinking Water Using Visible Spectrophotometry”, Al-Imad J. Humanit. Appl. Sci., vol. 2, no. 1, pp. 820–829, May 2026, doi: 10.64943/ajhas.2026.020159.