This article “CityReaching: The Dominant Church Paradigm of the Next Decade” clearly presents the crucial need to reach cites for Christ in the 21st Century.
Dennison, J. (1998). City-Reaching: The Dominant Church Paradigm of the Next Decade. Journal of the American Society for Church Growth, 9(1), 3-17. Retrieved from https://place.asburyseminary.edu/jascg/vol9/iss1/2