Kierstead, M., G. Georgiou, C. Poth, and E. Mack. “Effective School Literacy Culture and Learning Outcomes: The Multifaceted Leadership Role of the Principal”. Alberta Journal of Educational Research, vol. 69, no. 4, Dec. 2023, pp. 551-67, doi:10.55016/ojs/ajer.v69i4.77510.