YULIS, Putriade Rahma; FAUZIAH, Nurul; FEBLIZA, Asyti. Analysis of Science Teaching Material Development Needs: Teachers’ Perceptions of Ethnoscience Integration in Junior High and Senior High School Science Textbooks. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 13, n. 6, 2025. DOI: 10.33394/hjkk.v13i6.18895. Disponível em: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/18895. Acesso em: 9 jan. 2026.