Photon attenuation properties of samariumdoped zinc bismuth silicate glass: A studyusing Cs-137, Co-60, and Na-22 RadiationSources. CaJoST [Internet]. 2024 Dec. 9 [cited 2024 Dec. 11];6(3):281-8. Available from: https://cajost.com.ng/index.php/files/article/view/278