Hoang DT, Tran TT, Chau VT, Le TYO. Detemining attenuation coefficients of gamma rays in range of energy from 81.0 keV to 1764.5 keV for some materials. TCKH ĐHSP TPHCM TPHCM [Internet]. 20 Tháng Chín 2019 [cited 29 Tháng Ba 2026];(33):63. Available at: https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/1123