Yazar
john d hamaker
2 cilt bulundu.
Cilt sonuçları
The survival of civilization depends upon our solving three problems--carbon dioxide, investment money, and population
John D. Hamaker · Hamaker-Weaver Publishers
218 sayfa · 1982
Effect of human beings on / Food supply / Glaciers / Nature / Soil degradation
The survival of civilization
John D. Hamaker · Hamaker-Weaver
218 sayfa · 1982
Social aspects / Human ecology / Economic development / Environmental policy / Nature