0.21 Mark Schoepfle Michael Burton Kenneth Begishe, Navajo Attitudes toward Development and Change: A Unified Ethnographic and Survey Approach to an Understanding of Their Future, American Anthropologist, 1984.

{ community national local social }	0.22
{ data sample variables societies }	0.21
{ population agricultural land agriculture }	0.11
{ people men village time }	0.09