Simorangkir FMA, HS DWS. LITERASI NUMERIK DI SD SWASTA PKMI EFESUS AEK BATU. JS [Internet]. 2021 Sep. 20 [cited 2025 Jul. 4];5(4):32-7. Available from: https://jurnal.unimed.ac.id/2012/index.php/js/article/view/28198