Al-Khafaji, D. S. ., Abdulkareem, A. K. ., & Al-Kubaisi, Q. Y. . . (2022). Determining the Best Rainwater Harvesting System in Al-Muthanna Governorate, Iraq. Iraqi Journal of Science, 63(6), 2755-2763. https://doi.org/10.24996/ijs.2022.63.6.39