S. B. Khudhur, M. A. Abdulhasan, M. H. Hadi, Z. N. Abbas, and K. S. Jasim, “X-Ray Fluorescence (XRF): Interaction of X-Rays with a Substance, Multiple Transitions, Wavelength Dispersive, Fundamental Parameters Method and Multi-Point Analysis”, J Current Med Res Opinion, vol. 7, no. 07, pp. 3313–3325, Jun. 2024.