Hassan, Muna A., and Ala F. Ahmed. “An Analysis Study of Sunspot Numbers and Solar Radio Flux (10.7 Cm) for the Raising Phase of the Solar Cycle 25”. Iraqi Journal of Science, vol. 66, no. 12, Dec. 2025, pp. 5805-16, https://doi.org/10.24996/ijs.2025.66.12.42.