1. Appell, G. N. The plight of indigenous peoples: Issues and dilemmas. Survival International Review, 1977, 3, 11–16.
2. Baker, G., & Chapman, D., (Eds.). Man and society in disaster. New York: Basic Books, 1962.
3. International Work Group for Indigenous Affairs Document Series;A Barabas,1973
4. Berry, J. Social and cultural change. In H. Triandis & R. Brislin (Eds.), Handbook of Cross-Cultural Psychology (Vol. 4). New York: Allyn & Bacon, 1977.
5. Berry, J. W., & Annis, R. C. Acculturative stress: The role of ecology, culture and differentiation. Journal of Cross-Cultural Psychology, 1974, 5, 382–405.