SUSTAINABILITY SYSTEM TO BENEFIT BOTH GUEST AND HOTELS . PUSA Journal of Hospitality and Applied Sciences, [S. l.], v. 10, n. 1, p. 1–7, 2024. DOI: 10.48165/pjhas.2024.10.1.1. Disponível em: https://journals.acspublisher.com/index.php/pjhas/article/view/13645. Acesso em: 3 aug. 2025.