Chalvatzi Efsevia, Anastasiou Adamos, Valkanos Efthymios. Leadership Outcomes of the Transformational, the Transactional and the Passive Leadership Style in Public Secondary Education Based on Teachers’ Perceptions. JRSSH [nternet]. 2024 Aug. 21 [cited 2025 May 3];3(8):1-9. vailable from: https://www.pioneerpublisher.com/jrssh/article/view/963