Jane,+Hijo

http://targetstudy.com/articles/students-and-superstitions.html http://ezinearticles.com/?Examining-The-Effect-Of-Superstition-In-Life&id=973299 http://www.helium.com/items/1610568-how-does-superstition-affect-our-liveswhy-are-people-superstitiousaffects-of-superstious-behaviour http://listverse.com/2009/03/25/10-odd-superstitions-about-food/ http://www.paralumun.com/asuperstition.htm http://www.cbc.ca/news/world/story/2012/01/12/f-friday-thirteenth.html