[1]. Bhatia A.K. (2010), “Tourism Development Principles and Practice”.
[2]. ILO Global Dialogue forum (2010) “New developments and challenge in the hospitality and tourism sector”.
[3]. Fifth UN-WTO International conference (2009), “Tourism an engine for employment creation”, Bali, Indonesia.
[4] Abdul Malek Hamoud (2009), “Tourism development in Aden, republic of Yemen a study of the impact of tourism and local community”.
[5] www.indiatourism.com
[6] www.travelindia.com
[7] https://en.wikipedia.org
[8] https://www.indiatoday.in
[9] https://www.ibef.org/