Why foragers do not become farmers a historical study of changing ecosystem and its effect on a Negrito hunter-gatherer group in the Philippines

Why foragers do not become farmers a historical study of changing ecosystem and its effect on a Negrito hunter-gatherer group in the Philippines

Bibliographic Details
Main Author: Headland, Thomas N.
Format: Book
Language:English
Published: Ann Arbor, Mich. UMI Dissertation Services c1986.
Subjects:
Agtas > Social conditions. > Philippines > Casiguran (Aurora)
Agtas > Economic conditions. > Philippines > Casiguran (Aurora)
Biotic communities > Philippines > Casiguran (Aurora).