Hendrawansyah, and Ady Saputra. “Analisis Kesulitan Mahasiswa PGSD Dalam Menyelesaikan Soal Statistika Di Tingkat Perguruan Tinggi”. Walada: Journal of Primary Education 5, no. 2 (June 1, 2026): 1548–1558. Accessed October 28, 2026. https://www.ccg-edu.org/index.php/wjpe/article/view/710.