SUSWATI, L. PENGEMBANGAN INSTRUMEN PENILAIAN TESTLET UNTUK MENGUKUR PEMAHAMAN KONSEP MATERI OPTIK. Education Journal : Journal Educational Research and Development, [S. l.], v. 6, n. 1, p. 13–20, 2022. DOI: 10.31537/ej.v6i1.614. Disponível em: https://jurnal.unipar.ac.id/index.php/ej/article/view/614. Acesso em: 2 aug. 2025.