SUSONGKO, Purwo; MARDAPI, Djemari. Keberfungsian Butir Diferensial Perangkat Tes Ebtanas Kimia Sekolah Menengah Umum di Jawa Tengah. Jurnal Penelitian dan Evaluasi Pendidikan, [S. l.], v. 3, n. 4, 2004. DOI: 10.21831/pep.v3i4.2072. Disponível em: https://jurnal.uny.ac.id/index.php/jpep/article/view/2072. Acesso em: 15 may. 2025.