Neudeck, L.; Avelino, L.; Bareetseng, P.; Ngwenya, B. N.; Teketay, D. .-.; Motsholapheko, M. The Contribution of Edible Wild Plants to Food Security, Dietary Diversity and Income of Households in Shorobe Village, Northern Botswana. Ethnobot. Res. App. 2012, 10, 449-462.