http://www.slideshare.net/DrAshokJetawat/artificial-intelligence-unit-1
http://www.slideshare.net/DrAshokJetawat/artificial-intelligence-unit-2-58132058
http://www.slideshare.net/DrAshokJetawat/artificial-intelligence-unit-3-and-4
http://www.slideshare.net/DrAshokJetawat/artificial-intelligence-unit-5