RETNO PALUPI, CICIN. “ANALISIS LATIHAN BUKU AJAR DEUTSCH IST EINFACH 2A UNTUK SMA KELAS XI SEMESTER 1”. LATERNE 6, no. 1 (January 5, 2017). Accessed May 21, 2024. https://ejournal.unesa.ac.id/index.php/laterne/article/view/18065.