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

Detalles Bibliográficos
Autor Principal:	Headland, Thomas N.
Formato:	Libro
Idioma:	English
Publicado:	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).