In your professional (if you have any) or academic career, think about when you need to apply either waterfall or agile (like Scrum) to solve a problem or to finish a project.

1. What was the background context of the problem or project?

2. Which approach out of the waterfall, agile, or hybrid between the two approaches, to solve the problem or project?

use the APAstyle, such as author(s), followed by the year published,