project-oriented-problem-based-learning approach to the project is very effective. Because the students have approached the problem from one situation to the next level.
Project-Oriented-Problem-Based-Learning Approach is very effective because of the project, the students were closer to solving one step from the situation.
Project - Oriented - Problem - Based - Learning Approach is another projects on the one that's very effective because it allows students to solve the problem of close to some of the situations go to step one.