Jeffries, Glen, Oliver Withers, Chris Barichievy, and Chris Gordon. “The Rhino Impact Investment Project—a New, Outcomes-Based Finance Mechanism for Selected AfRSG-Rated ‘Key’ Black Rhino Populations”. Pachyderm 60 (November 10, 2019): 88–95. Accessed April 24, 2024. https://pachydermjournal.org/index.php/pachyderm/article/view/38.