Mosikari, Teboho Jeremiah, and Mike Nyamazana Sikwila. “The Relationship Between Trade Openness and GDP Growth Rate: The Case of South Africa (1994Q1-2008Q4)”. Journal of Economics and Behavioral Studies, vol. 5, no. 10, Oct. 2013, pp. 669-77, https://doi.org/10.22610/jebs.v5i10.440.