Gregory, D.M., et al. “Transactional and Transformational Leadership Styles and Their Effects on Lecturers’ Job Performance in Universities in Taraba State”. Direct Research Journal of Education and Vocational Studies, vol. 7, no. 1, Nov. 2025, pp. 91-96, https://journals.directresearchpublisher.org/index.php/drjevs/article/view/542.