Cui X, Nath R, Luan Y, Ferrat M. Dynamics of arable land requirements for food in South Africa: From 1961 to 2007. S. Afr. J. Sci. [Internet]. 2014 Feb. 3 [cited 2024 May 2];110(1/2):1-8. Available from: https://sajs.co.za/article/view/3645