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ISSN 2337-3067.
Available at: &lt;<a href="http://ojs.unud.ac.id/index.php/eeb/article/view/53155" target="_new">http://ojs.unud.ac.id/index.php/eeb/article/view/53155</a>&gt;. Date accessed: 29 sep. 2025.
doi: <a href="https://doi.org/10.24843/EEB.2020.v09.i02.p01">https://doi.org/10.24843/EEB.2020.v09.i02.p01</a>.