Ustinoff-Brumbelow, Rosemary, John Slate, George Moore, and Frederick Lunenburg. “Problem Matter Differences of Private Elementary School Principals by School Size: An Analysis”. Advances in Educational Research and Evaluation 1, no. 2 (March 24, 2020): 54-62. Accessed April 19, 2024. https://www.syncsci.com/journal/AERE/article/view/365.