2020, Vol. 21 No. 2.
 Content.
<strong>BULETIN FISIKA</strong>, [S.l.], v. 21, n. 2, aug. 2020.
ISSN 2580-9733.
Tersedia pada: &lt;<a href="http://103.29.196.112/index.php/buletinfisika/article/view/62658" target="_new">http://103.29.196.112/index.php/buletinfisika/article/view/62658</a>&gt;. Tanggal Akses: 17 dec. 2025