RATIH, Putri Deti; ROHAETI, Eli. Implementation of Electronic Worksheets Based on Problem-based Learning on Acid-Base Materials to Develop Students’ Problem-solving Ability . Jurnal Penelitian Pendidikan IPA, [S. l.], v. 8, n. 4, p. 1979–1984, 2022. DOI: 10.29303/jppipa.v8i4.1928. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1928. Acesso em: 19 apr. 2024.