Referințe
- CBL Guide 2016, https://www.challengebasedlearning.org/wp-content/uploads/2019/02/CBL_Guide2016.pdf
- Apples for Kids / Challenge Based Learning, Gathering Evidence with Challenge Based Learninghttps://applesforkids.org/archives/category/challenge-based-learning/
- Rise Challenge Planner, https://www.challengebasedlearning.org/wp-content/uploads/2021/02/Rise_challenge_planner.pdf
- Challenge Based Learning Organisation, https://www.challengebasedlearning.org/project/cbl-rubric/
- Challenge-Based Learning An Approach for Our Time, https://www.challengebasedlearning.org/wp-content/uploads/2019/05/CBL_approach_for_our_time.pdf