Writing your assignment always seems like a daunting task. However once you understand the instructions from your lecturer, and you are able to conceptualise your question, the task becomes easy. This means, understanding your question, identifying the key concepts and the keywords.
Here are a few links that can assist you. Also feel free to approach your librarian to assist with training on how to find relevant sources for your assignment.
https://online.essex.ac.uk/blog/15-foolproof-tips-for-writing-a-great-assignment/