Z. N. Al-Montaser, A. M. Al-Salihi, N. S. Al-Timime, and N. T. . . Ibraheem, “Developing an Empirical Equation for Solar Ultraviolet Radiation Estimation for the Production of Vitamin D Photosynthesis for Selected Provinces in Iraq”, IRAQI J ENVIRON SCI, vol. 2, no. 1, pp. 1–7, Feb. 2026, doi: 10.23851/ijes.v2i1.19.