Meftah, Abdo Mohd, Khairiah Qaid Al-Majdad, and Noha Ahmed Elayah. 2023. “Health Risk Assessment of Some Heavy Metals in Groundwater Samples in Rada’a City, Yemen”. Thamar University Journal of Natural & Applied Sciences 8 (2):1 – 9. https://doi.org/10.59167/tujnas.v8i2.1710.