Shamsuddin, S N A, Z S Hamidi, and N N M Shariff. “Correlation Solar Flares With Three Active Regions And Attenuation Of High-Frequency Signal Within Three Days”. al-Qanatir: International Journal of Islamic Studies 27, no. 2 (September 18, 2022): 221–227. Accessed April 18, 2026. https://al-qanatir.com/aq/article/view/542.