BADRUN, Y. Cover and Content. Photon: Jurnal Sain dan Kesehatan, [S. l.], v. 9, n. 1, p. 1–213, 2018. DOI: 10.37859/jp.v9i1.1104. Disponível em: https://ejurnal.umri.ac.id/index.php/photon/article/view/1104. Acesso em: 11 feb. 2026.