https://www.wallacefoundation.org/news-and-media/blog/pages/remote-support-of-principal-supervisors-not-different-from-pre-covid-times.aspx
http://dl2.education.uw.edu/wp-content/uploads/2020/10/Supervising-Principals-for-Instructional-Leadership_-A-Teaching-and-Learning-Approach.pdf
https://www.principalcenter.com/meredith-honig-lydia-rainey-supervising-principals-for-instructional-leadership-a-teaching-and-learning-approach/
