Gaugris, J. Y., Vasicek, C. A., & Rooyen, M. W. van. (2007). Selected Tree Species for Sustainable Harvest and Calculating Their Sustainable Harvesting Quota in Tshanini Conservation Area, Maputaland, South Africa. Ethnobotany Research and Applications, 5, 373–389. Retrieved from https://ethnobotanyjournal.org/index.php/era/article/view/142