Julius, S. ., N. P. Azu, and M. Y. Muhammad. “Assessing the Impact of Terrorism in Trade Development in the SADC Region: A Gravity Model Approach”. Asian Economic and Financial Review, vol. 9, no. 10, Oct. 2019, pp. 1147-59, doi:10.18488/journal.aefr.2019.910.1147.1159.