WARMAN, Warman; POERNOMO, Soerjo Adi; JANUAR, Syafrudin; AMON, Lorensius. Leadership Style and Principal Supervision in Improving Teacher Performance at State High Schools in Kutai Kartanegara Regency, East Kalimantan Province, Indonesia. EduLine: Journal of Education and Learning Innovation, [S. l.], v. 2, n. 1, p. 17–24, 2021. DOI: 10.35877/454RI.eduline581. Disponível em: https://jurnal.ahmar.id/index.php/eduline/article/view/581. Acesso em: 19 apr. 2026.