Only then will you be able to select the most useful parts and sort them into some kind of order, ready for use in writing your assignment. Remember to keep going back to your topic so that you can assess the value of your information sources. Refer back to the assignment topic, making sure that you understand the issues. If so, there is a risk that what you have found in your source on the topic is over-simplified or even inaccurate. Perhaps the information is too specialised and includes too much jargon.
Currency Check the publication date of books or journal articles.
If they are more than a few years old, ask yourself if this matters. Look at the dates of the references used within the material. Reliability Check on the author's credentials. Look for qualifications, the names of associated organisations, and whether he or she has previously published material. If the information source is a printed work, look at the name of the publisher.