When you find a source, it's important to take notes on what you have learned about it. You don't want to have to flip through a long article every time to find the most important bits of information.
Often this means creating an annotation - which is a short summary of the source, as well as how it was useful to your research project.
Purdue OWL suggests the following ways to think of an annotation:
What other techniques do you know of for taking notes on a source?
Once you have your sources, start to look for themes in what has been written. This will help you draw connections between your sources. A good technique to consider is to create a mind map built around your research topic. Check out the video below, or watch it on YouTube.
Your sources should be organized - consider using a Citation Manager for this as it allows you to keep your articles and sources together. And even helps you output a bibliography!