1. On a holy trek to Mecca;Abercrombie,1978
2. Urban enclaves;Abrahamson,1996
3. Attachment to possessions;Belk,1992
4. Bellow, S. (1976). To Jerusalem and back: a personal account. New York: The Viking Press.
5. Berger, P. L. (1967). The sacred canopy: elements of a sociological theory of religion. Garden City: Anchor/Doubleday.