“z a konczacki”

The economics and future of pastoralism in Sub-Saharan Africa.... More

These articles cover: early agricultural development; history of agricultural crops; patterns of land use and tenure; introduction and use of metals; economic and technological aspects of the Iron Age; patterns of trade; trade routes and centres; and media of exchange.... More

The author is an internationally renowned investigator in the field of electromagnetic waves and diffraction theory.... More

As travelers increasingly seek out the exotic wildlife and idyllic sunsets of the developing world, a complex relationship involving tourism, the migration of workers, and the involuntary displacement of peoples has emerged. Milica Bookman explores that relationship—and the connection between popu... More