Schulte DP, Slate JR, Onwuegbuzie AJ. Characteristics of Effective School Principals: A Mixed-Research Study. Alta J Educ Res [Internet]. 2010 Jul. 23 [cited 2025 Apr. 8];56(2). Available from: https://journalhosting.ucalgary.ca/index.php/ajer/article/view/55397