Larasati, Echa Maretha, and Khusnul Khotimah. “Mobile Learning Materi Konjugasi Mata Pelajaran Bahasa Jerman Kelas X Di SMA Negeri 19 Surabaya”. Jurnal Mahasiswa Teknologi Pendidikan 11, no. 1 (May 27, 2021). Accessed December 17, 2025. https://ejournal.unesa.ac.id/index.php/jmtp/article/view/39961.