Gunadi, Farid, Tatang Herman, and Sufyani Prabawanto. “Students’ Learning Obstacle in Solving Statistical Reasoning Problems: Epistemological Study”. Gema Wiralodra 13, no. 1 (April 26, 2022): 285–294. Accessed November 7, 2024. https://gemawiralodra.unwir.ac.id/index.php/gemawiralodra/article/view/213.