Front Cover and Preface Vol. 3 No. 1. JTERA (Jurnal Teknologi Rekayasa), [S. l.], v. 3, n. 1, p. i-x, 2018. DOI: 10.31544/jtera.v3.i1.2018.i-x. Disponível em: https://jtera.polteksmi.ac.id/index.php/jtera/article/view/100. Acesso em: 25 jun. 2026.