S. H. Saputro, B. E. Supriyanto, and H. Setiyowati, “The Influence of Transformational, Transactional, and Servant Leadership on Sustainable Organizational Performance: An Empirical Study in Indonesian Higher Education”, SEBI, vol. 2, no. 3, pp. 178–204, Sep. 2025, doi: 10.70550/sebi.v2i3.205.