; ; . Jurnal Ilmiah Sains, [S. l.], v. 19, n. 2, p. 99–104, 2019. DOI: 10.35799/jis.19.2.2019.23894. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/23894. Acesso em: 18 jul. 2024.