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 ? !

Epidemiology Concepts and Methods by William A. Oleckno

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Epidemiology Concepts and Methods by William A. Oleckno
By: William A. Oleckno
Publisher: Waveland Press
Print ISBN: 9781577665229, 1577665228
eText ISBN: 9781478600244, 9781478617891, 1478617896
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