EKASARI, Dana; WULANDARI, Siti Sri. Pengembangan Modul Elektronik Berbasis Kurikulum 2013 pada Mata Pelajaran Korespiondensi Kelas X OTKP 1 di SMK PGRI 13 Surabaya. Journal of Office Administration : Education and Practice, [S. l.], v. 1, n. 3, p. 351–363, 2021. DOI: 10.26740/joaep.v1n3.p351-363. Disponível em: https://ejournal.unesa.ac.id/index.php/joa/article/view/43407. Acesso em: 3 apr. 2025.