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
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