Singh,David. (1997). Interim report – Survey of mercury contamination in the Mazaruni River from small scale gold mining activity. Request to read at: https://uglibrary.uog.edu.gy/contact-us
Singh,David. (1997). Interim report – Survey of mercury contamination in the Mazaruni River from small scale gold mining activity. Request to read at: https://uglibrary.uog.edu.gy/contact-us