Have you thought about cultural impact on your project? Have you considered the culture of other teams or groups of people that you are working with in order to deliver your project? Is there culture different to yours and what is the impact of that?
When you first come across Project Management as a methodology it is not always easy to understand the difference between this (as a methodology) and the number of other methodologies out there. People often confuse what are process improvement methods with project management frameworks.