PECSON, R. Effectiveness of QR-Based Modified Strategic Intervention Materials in Improving the Academic Performance of SHS Students in Disciplines and Ideas in the Social Sciences. Indonesian Educational Research Journal, [S. l.], v. 3, n. 2, p. 52–61, 2025. DOI: 10.56773/ierj.v3i2.88. Disponível em: https://www.journal.id-sre.org/index.php/ierj/article/view/88. Acesso em: 6 dec. 2025.