KAFULILLAH, D. S.; SARTIKA, S. B. Concept Understanding Level of Junior High School Students on Substance Pressure Material. Jurnal Pendidikan dan Pengajaran, [S. l.], v. 56, n. 3, p. 581–591, 2023. DOI: 10.23887/jpp.v56i3.60396. Disponível em: https://ejournal.undiksha.ac.id/index.php/JPP/article/view/60396. Acesso em: 11 may. 2024.