Jami, Marselina Para, Tatik Retno Murniasih, and Timbul Yuwono. “NALISIS ESALAHAN ESERTA IDIK ALAM ENYELESAIKAN OAL ERITA RITMATIKA OSIAL ERDASARKAN AHAPAN EWMAN”. Pi: Mathematics Education Journal 3, no. 1 (April 18, 2020): 1–9. ccessed July 22, 2024. http://ejournal.unikama.ac.id/index.php/pmej/article/view/3492.