IKHSAN, Fahrudi Ahwan; KURNIANTO, Fahmi Arif; APRIYANTO, Bejo; NURDIN, Elan Artono. EFFORTS TO IMPROVE THE COMPETENCY OF PROFESSIONALISM TEACHER IN JEMBER REGENCY: Fahrudi Ahwan Ikhsan, Fahmi Arif Kurnianto, Bejo Apriyanto , Elan Artono Nurdin. Geosfera Indonesia, [S. l.], v. 1, n. 1, p. 16–21, 2017. DOI: 10.19184/geosi.v1i1.6191. Disponível em: https://geosfera.jurnal.unej.ac.id/index.php/GEOSI/article/view/6191. Acesso em: 29 apr. 2025.