Fantahun Gebeyehu, Mengstu Mulu, Molla Tefera and Atnafu Guadie 2024. Residual levels and potential health risk assessment of heavy metals in varieties of teff (Eragrostis tef (Zucc.) Trotter) using ICP-OES from Becho District, Ethiopia. Ethiopian Journal of Natural and Computational Sciences . 4, 1 (Jan. 2024), 525–536.