126.
Schwarz, C., Reiser, B.J. Acher, A., Kenyon, L., & Fortus, D. (2012). MoDeLS: Challenges in Defining a Learning Progression for Scientific Modeling. In A. C. Alonzo & A.W. Gotwals (eds.), Learning Progressions in Science: Current Challenges and Future Directions, 101–137. Rotterdam: Sense Publishers.