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- [6] A strategic framework for biodiversity monitoring in South African National Parks KOEDOE, 2011, 53 (02):
- [9] Revenue and conservation implication of South African National Parks' commercialisation TOURISM, 2016, 64 (03): : 295 - 310
- [10] The potential of frogging as an ecotourism product for South African National Parks KOEDOE, 2022, 64 (01):