PBL Works: Gold Standard PBL: Essential Project Design Elements
https://www.pblworks.org/blog/gold-standard-pbl-essential-project-design-elements
Project-Based Learning at Worcester Polytechnic Institute (overview)
https://www.wpi.edu/project-based-learning
The Center for Project-Based Learning at Worcester Polytechnic Institute
https://wp.wpi.edu/projectbasedlearning/
AdvancePBL Newsletter from the Center for Project-Based Learning at WPI (You can also subscribe. This link takes you to the archive.)
https://wp.wpi.edu/projectbasedlearning/resources/resources-pbl-newsletters/
Project-Based Learning for First-Year Students