Al-Sabbagh, ManafEzzldien. “Estimate of Penetration Depth of Moist Soils For Mosul City at 6 GHzC-Band Microwave Frequency Range”. Al-Rafidain Engineering Journal (AREJ) 20, no. 6 (December 1, 2012): 40–47. Accessed September 17, 2025. https://ojs.uomosul.edu.iq/index.php/arej/article/view/30467.