http://coreldrawtips.com/site/coreldraw-tutorials

OR
http://www.youtube.com/watch?v=J5tjm84HSOs

OR
http://www.tutorialspoint.com/listtutorials/corel-draw/1

OR
http://graphicssoft.about.com/od/coreldraw/l/blrings9.htm

OR
http://www.lynda.com/CorelDRAW-training-tutorials/178-0.html

OR
http://www.advancedartist.com/coreldrawtutorial.html