Ferreira, S.; Greaver, C. 2016.Re-introduction success of black rhinoceros in Marakele National Park.African Journal of Wildlife Research 46 (2): 135–138.
Greaver, C.; Ferreira, S.; Slotow, R. 2013.Density-dependent regulation of the critically endangered black rhinoceros population in Ithala Game Reserve, South Africa.Austral Ecology 39: 437–447.
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Ferreira, S.; Okita-Ouma, B. 2012.A proposed framework for short-, medium- and long-term responses by range States to curb poaching for African rhino horns.Pachyderm 51: 60-74.
Ferreira, S.; Greaver, C.; Knight, M.H. 2011.Assessing the population performance of the black rhinoceros in Kruger National Park.South African Journal of Wildlife Research 41 (2): 192–204.