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

التفاصيل البيبلوغرافية
المؤلف الرئيسي:	Headland, Thomas N.
التنسيق:	كتاب
اللغة:	English
منشور في:	Ann Arbor, Mich. UMI Dissertation Services c1986.
الموضوعات:	Agtas > Social conditions. > Philippines > Casiguran (Aurora) Agtas > Economic conditions. > Philippines > Casiguran (Aurora) Biotic communities > Philippines > Casiguran (Aurora).