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the impact of large scale and small scale mining in ghana

Economies of scale - Wikipedia, the free …

In microeconomics, economies of scale are the cost advantages that enterprises obtain due to size, output, or scale of operation, with cost per unit of output ...

Richter magnitude scale - Wikipedia, the free …

In 1935, the seismologists Charles Francis Richter and Beno Gutenberg, of the California Institute of Technology, developed the (future) Richter magnitude scale ...

In China, the true cost of Britain's clean, green …

In China, the true cost of Britain's clean, green wind power experiment: Pollution on a disastrous scale. By SIMON PARRY in China and ED DOUGLAS in Scotland

Home | Impact Hub

Inside Impact Hub Inspire. Engage. Educate. Connect. Impact cannot happen in isolation. It requires collective action. Step into any one of our Impact Hubs around the ...

Genome Biology

The Kardashian index... why should we care? First, I should congratulate the author for getting attention of the editors of Genome Biology to even get this 'paper ...

IDEAS: NBER Working Papers, National Bureau of …

Contact information of National Bureau of Economic Research, Inc: Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, …

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