Chekol Zerihun, Bamlak; Gelana Amente, (PhD) Gelana; Nigussie, (PhD) Biniyam
(Haramaya university, 2020-08)
Exposure to radiations beyond acceptable limits induces unintended and undesirable effects on
human health. The dominant fraction of terrestrial radiation comes from soils and rocks. Soils are
encountered on regular bases ...