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3. Bahan, B., Poole-Nash, J., 1996. The formation of signing communities: perspective from Martha’s Vineyard. In: Mann, J. (Ed.), Deaf Studies IV Conference Proceedings. Gallaudet University College of Continuing Education, Washington, DC, pp. 1–16.
4. The Practical Guide to the Genetic Family History;Bennett,1999
5. Research Methods in Anthropology: Qualitative and Quantitative Approaches;Bernard,1995