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- [32] Waste Management in Selected National Parks - A Review JOURNAL OF ECOLOGICAL ENGINEERING, 2019, 20 (04): : 14 - 22
- [35] The role of recreation fees in the management of national parks MAKING PROTECTION WORK: PROCEEDINGS OF THE 9TH CONFERENCE ON RESEARCH AND RESOURCE MANAGEMENT IN PARKS AND ON PUBLIC LANDS, 1997, : 459 - 462