Pierce, Joseph, and Mary Lawhon. “What Do You Mean When You Say "Urban"? Divergence Between Everyday Language and Northern Analytical Vocabularies in South African Cities”. DIE ERDE – Journal of the Geographical Society of Berlin 147, no. 4 (December 30, 2016): 284-289. Accessed August 5, 2020. https://www.die-erde.org/index.php/die-erde/article/view/219.