1.
Al-Ghamdi A, Alzahrani J. Studies of 226Ra, 28Th and 40K Concentrations in Cooking Oil and Estimation the Radiological Hazards to Human Health. ASRJETS-Journal. 2017;31(1):78-84. Accessed September 17, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/2965