MUJIMIN, Mujimin. Objectivitas Penilaian Portofolio Sertifikasi Guru Dalam Jabatan. JPK (Jurnal Pendidikan Khusus), [S. l.], v. 3, n. 1, 2007. DOI: 10.21831/jpk.v3i1.6411. Disponível em: https://jurnal.uny.ac.id/index.php/jpk/article/view/6411. Acesso em: 10 jul. 2025.