Kiraam, Rachma, Duano Sapta Nusantara, and Feri Tiona Pasaribu. “STUDENTS’ ERRORS IN SOLVING PISA QUESTIONS ON SPACE AND SHAPE CONTENT”. Numeracy 12, no. 2 (October 31, 2025): 149–162. Accessed August 3, 2026. https://ejournal.bbg.ac.id/index.php/numeracy/article/view/3436.