https://www.specifile.co.za/news/security-fire-protection-access-control/drone-guards-breaking-ground-to-secure-people-and-high-valued-assets/

https://www.defenceweb.co.za/aerospace/unmanned-aerial-vehicles/drones-are-patrolling-south-african-residential-estates/

https://businesstech.co.za/news/technology/326901/south-african-residential-estates-are-now-using-drones-to-boost-security/

https://www.resc.co.za/index.html

https://www.uasvision.com/2019/07/04/drones-patrol-south-african-residential-estates/

https://www.securitysa.com/62445n

https://www.resc.co.za/agenda.html

https://print.securitysa.com/digital/1255-handbook/10/index.html