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Ellison, C. G., & George, L. K. 1994. “Religious Involvement, Social Ties and Social Support in a Southeastern Community.” Journal for the Scientific Study of Religion 33(1): 46-61. (Article)
Wuthnow, Robert. 1997. The Crisis in the Churches: Spiritual Malaise, Fiscal Woe. New York: Oxford University Press. (Amazon)
Wuthnow, Robert. 1994. Sharing the Journey. New York: Free Press. (Amazon)
Thomas, Jeremy N. and Daniel V. A. Olson. 2010. “Testing the Strictness Thesis and Competing Theories of Congregational Growth.” Journal for the Scientific Study of Religion 49(4):619-639. (Article)
Kanter, Rosabeth Moss. 1972. Commitment and Community. Cambridge, Massachusetts: Harvard University Press. (Amazon)