hgu.ac.inhgu.ac.in/assets/media/5cf0ba234e37e_M.Sc... · fuels: coal, petroleum/ oil and natural...
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hgu.ac.inhgu.ac.in/assets/media/5cf0ba234e37e_M.Sc... · fuels: coal, petroleum/ oil and natural gas. Mineral resources and reserves. Environmental Impacts of exploiting, processmg