The world is about to end !!! It took millions of years for humans to go from appearing to 1 billion people, but only 200 years to go from 1 billion to 8 billion. Human beings have been born for so long, Why did industrialization occur only in the past two hundred years ? !

Applied Hydrology by CHOW


Applied Hydrology by CHOW
ISBN-13 : 9780070702424
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