id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
etr-28905	Kim, Yen-Soon; Hudson, Natalie; Montgomery, Rhonda; Singh, Ashok; Jung, Soyeon	TDSI Aggregating Travel Destination Sustainability Rankings Using PCA	2025	21	.pdf	application/pdf	9451	552	43	Martin and Assenov discussed the importance of developing tourism sustainability indices for surf sites and developed a Surf Resource Sustainability Index (SRSI) for surfing-based tourism destinations (Martin & Assenov, 2015) Rodríguez-Díaz and Pulido-Fernández (Rodríguez-Díaz & Pulido-Fernández, 2020) investigated the relationship between sustainability and tourism competitiveness for various regions and developed a synthetic sustainability index at global and regional levels. Tourism destinations increasingly use such destination sustainability indices to attract visitors and communicate their sustainability performance (Global Destination Sustainability Movement, 2025).	cache/etr-28905.pdf	txt/etr-28905.txt