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Sustainability practices of accommodation sector representatives: The case of mountain protected area Serra da Estrela Natural Park (Portugal)
- Ilinca-Valentina Stoica,
- Luis Santos,
- Alexandra Cioclu,
- Ioan-Adrian Toma,
- Daniela Zamfir
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- Published: April 20, 2026
- https://doi.org/10.1371/journal.pone.0347472