Albert, Reece, and Jurie Moolman. “Protecting Ecosystems by Way of Biological Control: Cursory Reflections on the Main Regulatory Instruments for Biological Control Agents, Present and Future”. Potchefstroom Electronic Law Journal, vol. 16, no. 2, May 2017, pp. 184-12, doi:10.17159/1727-3781/2013/v16i2a2347.