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