NEINA, Dora, Eric Ranst, and Ann Verdoodt. “Chemical and Mineralogical Properties of Post-Mining Sites in Two Gold Mining Concessions in Ghana”. Ghana Journal of Science, Technology and Development 6, no. 1 (May 7, 2019): 1-14. Accessed September 21, 2019. http://gjstd.org/index.php/GJSTD/article/view/123.