Lapore, Dennis Jr. S., et al. “A Bibliometric Comparative Study of Servant and Instructional Leadership and Their Influence on Teacher Motivation in Public and Private Schools”. International Journal of Multidisciplinary: Applied Business and Education Research, vol. 6, no. 9, Sept. 2025, pp. 4549-55, https://doi.org/10.11594/ijmaber.06.09.27.