Henrico, Susan, Serena Coetzee, and Antony Cooper. “Is Open Source GIS Feasible in Military Operations? Evaluation by Applying a Use Case”. Scientia Militaria - South African Journal of Military Studies 48, no. 1 (February 6, 2020): 41-60. Accessed October 4, 2022. https://scientiamilitaria.journals.ac.za/pub/article/view/1259.