AINIAH, Errisya Nur; YONATA, Bertha. Validity of Electronic Worksheet (E-LKPD) Based on PBL Model to Train Creative Thinking Skills on Acid-Base Material. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 12, n. 3, p. 453–463, 2024. DOI: 10.33394/hjkk.v12i3.11587. Disponível em: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/11587. Acesso em: 18 aug. 2025.