2 Ebooks door Julia Crawford
Julia Crawford: Water Pollution Controls
Forty years after the Clean Water Act set a national goal of eliminating the discharge of pollutants into navigable U.S. waters, the Environmental Protection Agency (EPA) has made significant progres …
PDF
DRM
€243.30
R.C Michelini: Society Progress Evolution
The exposed subject matter describes human civilization as an artificial accomplishment, purposely induced by man and altering the wild earth surroundings by invented value-added transformations in o …
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DRM
€409.47
