Essentials of problem-based learning – WALTON – 1989 – Medical Education – Wiley Online Library

http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2923.1989.tb01581.x/full

A taxonomy of problem-based learning methods – BARROWS – 1986 – Medical Education – Wiley Online Library

http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2923.1986.tb01386.x/full

(201) 1000+ ideas about Problem Based Learning on Pinterest

https://www.pinterest.com/explore/problem-based-learning/

1000+ ideas about Problem Based Learning on Pinterest | Project based learning, Inquiry based learning and Learning

https://www.pinterest.com/explore/problem-based-learning/

What Does Problem-Based Learning Look Like in Classrooms?

http://www.ascd.org/publications/books/101064/chapters/What_Does_Problem-Based_Learning_Look_Like_in_Classrooms%C2%A2.aspx

Example PBLs

http://ldt.stanford.edu/~jeepark/jeepark+portfolio/PBL/example2.htm

Education World: Problem-Based Learning: Tips and Project Ideas

http://www.educationworld.com/a_curr/problem-based-learning-tips-ideas.shtml

Problem-Based Learning: Examples, Theory & Definition | Study.com

http://study.com/academy/lesson/problem-based-learning-examples-theory-definition.html

What is PBL? | Project Based Learning | BIE

https://www.bie.org/about/what_pbl

Problem-Based Learning | Teaching Commons

https://teachingcommons.stanford.edu/resources/learning/learning-activities/problem-based-learning