Reihani, Maha, and Arvin Efriani. “UJI COBA KEPRAKTISAN PENGEMBANGAN SOAL MATEMATIKA LEVEL 4 MODEL PISA MENGGUNAKAN KONTEKS COVID-19: TAHAPAN SMALL GROUP”. Epsilon: Jurnal Pendidikan Matematika 3, no. 1 (April 19, 2022). Accessed February 7, 2026. https://jurnal2.stkippgribl.ac.id/index.php/epsilon/article/view/581.