SAPUTRA, E. Front Matter. Journal of Applied Materials and Technology, [S. l.], v. 2, n. 1, 2020. DOI: 10.31258/Jamt.2.1-frontmatter. Disponível em: https://jamt.palas.id/index.php/jamt/article/view/40. Acesso em: 26 jul. 2026.