Front Cover and Preface Vol. 5 No. 1. JTERA (Jurnal Teknologi Rekayasa), [S. l.], v. 5, n. 1, p. i-iv, 2020. DOI: 10.31544/jtera.v5.i1.2020.i-iv. Disponível em: https://jtera.polteksmi.ac.id/index.php/jtera/article/view/380. Acesso em: 1 jul. 2026.