. AL-GAZALI, Hussein H. A. Determination and Mapping of Activity Levels of 40K in Madloom Region in Al-Najaf Al-Ashraf. Journal of Kufa-Physics, Kufa, Najaf, IRAQ, v. 5, n. 1, 2013. Disponível em: https://journal.uokufa.edu.iq/index.php/jkp/article/view/7461. Acesso em: 4 nov. 2026.