SIH MUSTIKA, G.; ASTUTI, D.; APRILIA, A.; YULIANDARI, Y. Implementation of the Problem Based Learning Model Assisted with Google Sites to Improve Concept Understanding and Reduce Students’ Mathematical Anxiety. JURNAL HURRIAH: Jurnal Evaluasi Pendidikan dan Penelitian, [S. l.], v. 5, n. 3, p. 489-511, 2024. DOI: 10.56806/jh.v5i3.170. Disponível em: https://academicareview.com/index.php/jh/article/view/170. Acesso em: 19 apr. 2026.