Alnagran, H. ., Mansour, H. ., Alashrah, S. ., Suardi, N. ., & Rahman, A. A. . (2023). Evaluation of Toxic Heavy Metals and Health Risk in Airborne Particulate Matter at Qassim region, Saudi Arabia. Trends in Sciences, 20(11), 6978. https://doi.org/10.48048/tis.2023.6978