Maitland Seaman, Marie Watson, Marinda Avenant, Jackie King, Alison Joubert, Charles Barker, Surina Esterhuyse, et al. “DRIFT-ARID: A Method for Assessing Environmental Water Requirements (EWRs) for Non-Perennial Rivers”. Water SA 42, no. 3 July (July 29, 2016). Accessed May 8, 2024. https://watersa.net/article/view/10846.