Sih Mustika, G., D. Astuti, A. Aprilia, and Y. Yuliandari. “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, vol. 5, no. 3, Sept. 2024, pp. 489-11, doi:10.56806/jh.v5i3.170.