Front Cover and Preface Vol. 4 No. 2. JTERA (Jurnal Teknologi Rekayasa), [S. l.], v. 4, n. 2, p. i-iv, 2019. Disponível em: https://jtera.polteksmi.ac.id/index.php/jtera/article/view/340. Acesso em: 10 jul. 2026.