SAPUTRA, R. E.; PASARIBU, M.; SYAMSU, S. Analysis of Concept Understanding on Material Changes in Substance Forms by Using Three Tier Test Instruments for Students of SMA Negeri 1 Lore Utara. Media Eksakta, [S. l.], v. 17, n. 2, p. 126–130, 2021. DOI: 10.22487/me.v17i2.1322. Disponível em: https://jurnal.fkip.untad.ac.id/index.php/jme/article/view/1322. Acesso em: 2 may. 2024.