1. Abdourahimi, S., Fantong, W. Y., Aka, F. T., & Njock, M. G. K. (2016). Environmental Pollution By Metals in the Oil Bearing Bakassi Peninsula, Cameroon. Carpathian Journal of Earth and Environmental Sciences, 11(2), 529–538.
2. Amin, H., & Shawkat, A. (2020). Manganese Toxicity Complicating Parenteral Nutrition. American Journal of Therapeutics, 27(3), e303–e304. https://doi.org/10.1097/MJT.0000000000000899
3. Benchtop XRF Spectrometer. (2012). Spectro Xepos user manual. 2012. https://extranet.spectro.com/-/media/7D92CF37-9BB0-41F1-BB6E-9EFF884EA538.pdf. Accessed 12 December 2021.
4. Blanchard, D. G., Louis, N. E., Abdourahimi, D., & B., Saïdou, Joseph Emmanuel, N. N. I., Boniface, K., & Godfroy, K. N. M. (2018). Environmental Pollution by Heavy Metals in the Gold Mining Region of East Cameroon. American Journal of Environmental Sciences, 14(5), 212–225. https://doi.org/10.3844/ajessp.2018.212.225
5. Blanchard, D. G., Ngoa E.L., Ndjana, J.E.N. II., Tchuente S.F.Y., Bongue, D., Kwato N.M.G., M. (2017). NORM Measurements and Radiological Hazard Assessment in the Gold Mining Areas of Eastern Cameroon. Radiation Environment and Medicine, 6(1), 22–28.