A. M. Aboukarima, I. S. Tabash, A. M. bin Muhaiza, M. S. Alqahtani, and T. A. Salman, “Evaluating the hazards of background radiation and cesium in the soil of greenhouses within the region of Riyadh, Saudi Arabia”, JAEVS, vol. 4, no. 2, pp. 74–54, Jun. 2020, doi: 10.26389/AJSRP.W050220.