ANSYACH, Arza Rizky Septi; SUYONO, Suyono. Validity of Structured Assignment Sheet to Train Argumentation Skills on Buffer Solution. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 11, n. 4, p. 523–534, 2023. DOI: 10.33394/hjkk.v11i4.8610. Disponível em: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/8610. Acesso em: 16 aug. 2025.