Mahgoub, Salah, Motshedisi Sabone, and Jose Jackson. 2013. “Glycaemic Index of Selected Staple Carbohydrate-Rich Foods Commonly Consumed in Botswana”. South African Journal of Clinical Nutrition 26 (4), 182-87. http://sajcn.redbricklibrary.com/index.php/SAJCN/article/view/716.