Front Cover and Preface Vol. 7 No. 2. JTERA (Jurnal Teknologi Rekayasa), [S. l.], v. 7, n. 2, p. i-iv, 2022. DOI: 10.31544/jtera.v7.i2.2022.i-iv. Disponível em: https://jtera.polteksmi.ac.id/index.php/jtera/article/view/747. Acesso em: 13 jun. 2026.