Yuliana, S., Y. Yunisvita, A. Yulianita, N. T. Muhyiddin, and A. Bashir. “The Linkage of Human and Money Flows to Rural-Urban Fringe Poverty in South Sumatra, Indonesia: In an Islamic Perspective”. International Journal of Economics and Financial Issues, vol. 7, no. 4, July 2017, pp. 237-43, https://www.econjournals.com/index.php/ijefi/article/view/4974.