Naila Friska, Chelsy, and Anna Cesaria. 2026. “VALIDITY TEST OF SEVENTH-GRADE DAILY TEST ITEMS MTsN 1 PASAMAN”. Cartesius : Jurnal Pendidikan Matematika 9 (1):100-106. https://ejournal.ust.ac.id/index.php/CARTESIUS/article/view/6578.