Which type of source provides both general information as well as in$-$depth analysis, so that they provide a bigger picture about a topic$/$issue and more specifics so that you understand context? Hint: These types of resources can serve as a starting point for research but they can also help you refine or focus your topic.

a$)$ Websites

b$)$ Articles

c$)$ Books$/$eBooks

d$)$ Reference sources