Rinah Setlalekgomo, M. ., and K. . Sesinyi. “Seed Dispersal by Serrated Tortoises (Psammobates Oculiferus) and the Effect of Their Gut Passage on Seed Germination”. Scientific Journal of Animal Science, vol. 3, no. 10, Oct. 2014, pp. 252-7, https://www.sjournals.com/index.php/sjas/article/view/813.