Doumo, E. P. E., Nga, L. E., Ondoa, A. D. B., Lucien, D. B., Béllo, B. and Bessa, A. Z. E. (2022) “Assessment of Metallic Contamination in Soils and Sediments in the Bétaré-Oya Gold Artisanal Mine District, East-Cameroon”, Annual Research & Review in Biology, 37(9), pp. 1-17. doi: 10.9734/arrb/2022/v37i930527.