CheckBox Helper in MVC

http://www.vijayt.com/Post/CheckBox-Helper-in-MVC

http://www.dotnet-tricks.com/Tutorial/mvc/N50P050314-Understanding-HTML-Helpers-in-ASP.NET-MVC.html

http://saravananarumugam.wordpress.com/2012/04/02/working-with-mvc-3-razor-checkboxes/