A-Ghanaian-researcher-Dr-Adwoa-Yirenkyi-Fianko-has-emphasised-how-some-local-materials-can-be-used-to-purify-polluted-water-caused-by-illegal-mining-popularly-known-as-lsquogalamseyrsquo
A-Ghanaian-researcher-Dr-Adwoa-Yirenkyi-Fianko-has-emphasised-how-some-local-materials-can-be-used-to-purify-polluted-water-caused-by-illegal-mining-popularly-known-as-lsquogalamseyrsquo