South African National Roads Agency Limited and National Roads Act: National Road R21 Section 2: Olifantsfontein Interchange to Hans Strydom Drive (Gazette 39841, Notice R352)
https://www.polity.org.za/article/south-african-national-roads-agency-limited-and-national-roads-act-national-road-r21-section-2-olifantsfontein-interchange-to-hans-strydom-drive-gazette-39841-notice-r352-2016-04-05
5th April 2016
South African National Roads Agency Limited and National Roads Act: National Road R21 Section 2: Olifantsfontein Interchange to Hans Strydom Drive (Gazette 39841, Notice R352)