SARI, Lala; ENAWATY, Eny; SAHPUTRA, Rachmat. Analysis of Students’ Learning Difficulties in Science on the Topic of Additive Substances at Junior High School. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 13, n. 4, 2025. DOI: 10.33394/hjkk.v13i4.17120. Disponível em: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/17120. Acesso em: 30 sep. 2025.