Sangadji EM, Sopiah S, Narmaditya BS. Does Leadership Effectiveness Matter for Indonesia Vocational Teacher Performance? The Mediating Role of Work Motivation. IRJE [Internet]. 2021 Aug. 20 [cited 2026 Apr. 16];5(2):345-59. Available from: https://www.online-journal.unja.ac.id/irje/article/view/12541