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ISSN 2722-7707.
Available at: &lt;<a href="https://jurnal.fmipa.unmul.ac.id/index.php/ppj/article/view/1026" target="_new">https://jurnal.fmipa.unmul.ac.id/index.php/ppj/article/view/1026</a>&gt;. Date accessed: 19 apr. 2025.
doi: <a href="https://doi.org/10.30872/ppj.v5i2.1026">https://doi.org/10.30872/ppj.v5i2.1026</a>.