“Evaluating the Hazards of Background Radiation and Cesium in the Soil of Greenhouses Within the Region of Riyadh, Saudi Arabia”. Journal of agricultural, environmental and veterinary sciences 4, no. 2 (June 30, 2020): 74–54. Accessed July 3, 2024. https://journals.ajsrp.com/index.php/jaevs/article/view/2614.