Rupiasih, N.
(2021).
 Cover.
<em>BULETIN FISIKA, 22</em>(1).
Retrieved from <a href="https://ojs.unud.ac.id/index.php/buletinfisika/article/view/70535" target="_new">https://ojs.unud.ac.id/index.php/buletinfisika/article/view/70535</a>