PRADJANINGSIH, Agustina.
 Upper Radical and Lower Radical.
<strong>Majalah Ilmiah Matematika dan Statistika</strong>, [S.l.], v. 16, n. 2, p. 71-78, sep. 2016.
ISSN 2722-9866.
Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/MIMS/article/view/23742" target="_new">https://jurnal.unej.ac.id/index.php/MIMS/article/view/23742</a>&gt;. Date accessed: 06 may 2024.
doi: <a href="https://doi.org/10.19184/mims.v16i2.23742">https://doi.org/10.19184/mims.v16i2.23742</a>.