Simorangkir, Frida Marta Argareta, and Dyan Wulan Sari HS. 2021. “LITERASI NUMERIK DI SD SWASTA PKMI EFESUS AEK BATU”. JS (JURNAL SEKOLAH) 5 (4):32-37. https://doi.org/10.24114/js.v5i4.28198.