HASRET NUHOGLU. Evaluation of the middle school students’ understanding level of basic system concepts. Elementary Education Online, [S. l.], v. 8, n. 3, p. 866–882, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/3609. Acesso em: 8 jul. 2024.