1. Building strong brands;Aaker,2012
2. The brand relationship spectrum;Aaker;California Management Review,2000
3. Dimensions of brand personality;Aaker;Journal of Marketing Research,1997
4. Sentiment analysis in tourism: Capitalizing on big data;Alaei;Journal of Travel Research,2019
5. Alexa. (2020). The top 500 sites on the web. Retrieved from alexa.com/topsites/category/Top/Recreation/Travel.