PUJI RAHARJO, HUDA. ANALISIS VALENSI BUKU EINFAH DEUTSCH. LATERNE, [S. l.], v. 5, n. 2, 2016. DOI: 10.26740/lat.v5n2.p%p. Disponível em: https://ejournal.unesa.ac.id/index.php/laterne/article/view/15021. Acesso em: 5 jul. 2025.