** MOB 3 : Porter's 5 Forces Model

http://www.quickmba.com/strategy/porter.shtml

http://www.valuebasedmanagement.net/methods_porter_five_forces.html

http://www.tutor2u.net/business/strategy/porter_five_forces.htm
[** also check the link on the right here for PEST Analysis and SWOT Analysis, and bookmark this page for later use].

http://www.websitemarketingplan.com/Arts/MarketingStrategy.htm

http://www.investopedia.com/terms/p/porter.asp
[** This link can also be used for Econ class]