IMARA, Salsabila yulia. Validity of the Corporate Edition Flip PDF Assisted Learning E-Module for Improving Students’ Critical Thinking Skills. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 13, n. 4, 2025. DOI: 10.33394/hjkk.v13i4.16830. Disponível em: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/16830. Acesso em: 29 sep. 2025.