Kulke, Elmar, and Lech Suwala. “Internationalisation of Grocery Retailing in the Global South: General Conditions, Formats and Spatial Expansion Patterns of Selected MNEs”. DIE ERDE – Journal of the Geographical Society of Berlin 147, no. 3 (October 4, 2016): 187–200. Accessed April 24, 2024. https://www.die-erde.org/index.php/die-erde/article/view/311.