https://www.linkedin.com/groupItem?view=&gid=4470024&type=member&item=5915471862095163396&trk=groups_most_popular-0-b-ttl&goback=%2Egmp_4470024
https://www.linkedin.com/groupItem?view=&gid=4470024&type=member&item=5897378192359989252&trk=groups_most_popular-0-b-ttl&goback=%2Egmp_4470024
http://www.hotelnewsresource.com/article52023.html February 2011
http://www.hotelnewsresource.com/article48086.html August 2010
http://www.hotelnewsresource.com/article50222.html November 2010
http://www.hotelnewsresource.com/article48086.html August 2010
http://www.hotelresource.com/article44360Can_the_Design_of_Guest_Experiences_Be_Copied____ Through_The_Eyes_Of_A_Hotel_Butler___By_Osvaldo_Torres_Cruz.html March 2010
http://www.hospitalitynet.org/news/4044699.html December 2009
http://www.hospitalitynet.org/news/4044235.html Nov 2009.
http://www.hotelnewsresource.com/article41627.html October 2009