HASIBUAN, Risya Yanti.
 Application Of The Abacus Media To Improve Mathematics Learning Outcomes Of Class Ii Students Of SD Negeri 0703 Hutaraja Tinggi.
<strong>Indonesian Journal of Basic Education</strong>, [S.l.], v. 5, n. 2, p. 148 - 154, july 2022.
ISSN 2615-8523.
Available at: &lt;<a href="https://e-jurnal.stkiprokania.ac.id/index.php/IJOBE/article/view/637" target="_new">https://e-jurnal.stkiprokania.ac.id/index.php/IJOBE/article/view/637</a>&gt;. Date accessed: 24 apr. 2026.
doi: <a href="https://doi.org/10.37728/ijobe.v5i2.637">https://doi.org/10.37728/ijobe.v5i2.637</a>.