1. IUCN, International Union for Conservation of Nature - About Protected Areas, 2021. 〈https://www.iucn.org/theme/protected-areas/about〉 (Accessed December 10, 2021).
2. IUCN, International Union for Conservation of Nature - Protected Area Categories, 2021). 〈https://www.iucn.org/theme/protected-areas/about/protected-area-categories〉 (accessed December 10, 2021).
3. WDPA, Protected planet. The World Database on Protected Areas (WDPA), UNEP-WCMC, Cambridge, 2018). 〈https://www.protectedplanet.net〉 (Accessed 18 October2021).
4. Built-up areas within and around protected areas: Global patterns and 40-year trends;de la Fuente;Glob. Ecol. Conserv,2020
5. A global-level assessment of the effectiveness of protected areas at resisting anthropogenic pressures;Geldmann;Proc. Natl. Acad. Sci.,2019