Stanley, D., Voeks, R. and Short, L. (2012) “Is Non-Timber Forest Product Harvest Sustainable in the Less Developed World? A Systematic Review of the Recent Economic and Ecological Literature”, Ethnobiology and Conservation, 1. Available at: https://www.ethnobioconservation.com/index.php/ebc/article/view/19 (Accessed: 7 June 2023).