JANNAH , S. L. N. .; YULIATI , L. .; WIDIYANTI, W. Development Of Problem-Based Teaching Materials To Improve Scientific Literacy Of Fifth-Grade Elementary School Students. JHSS (JOURNAL OF HUMANITIES AND SOCIAL STUDIES), [S. l.], v. 10, n. 02., p. 421–425, 2026. DOI: 10.33751/jhss.v10i02.311. Disponível em: https://jhss-lppm.unpak.ac.id/index.php/JHSS/article/view/311. Acesso em: 31 jul. 2026.