Kelly, Sean, Robert Bringe, Esteban Aucejo, and Jane Cooley Fruehwirth. “Using Global Observation Protocols to Inform Research on Teaching Effectiveness and School Improvement: Strengths and Emerging Limitations”. Education Policy Analysis Archives 28 (April 13, 2020): 62. Accessed March 29, 2024. https://epaa.asu.edu/index.php/epaa/article/view/5012.