Investigating the nature of evidence 6th grade students use when constructing scientific explanations in biodiversity. - Hayat Hokayem; Amelia Gotwals (ICLS, 2010)

Fusing a Crosscutting Concept, Science Practice, and a Disciplinary Core Idea in Single Learning Progression. - Hayat Hokayem; Amelia Wenk Gotwals (ICLS, 2014)