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<strong>JURNAL PENELITIAN FISIKAWAN</strong>, [S.l.], v. 2, n. 2, p. 17-21, oct. 2019.
ISSN 2655-738X.
Available at: &lt;<a href="http://jurnal.darmaagung.ac.id/index.php/jurnalpenelitianfisikawan/article/view/317" target="_new">http://jurnal.darmaagung.ac.id/index.php/jurnalpenelitianfisikawan/article/view/317</a>&gt;. Date accessed: 25 apr. 2024.