saefudin dede firmansyah, Komalasari Y, Maesyari E. RANCANG BANGUN APLIKASI UJIAN ONLINE STUDI KASUS: SMK 1 PGRI CIKAMPEK. JTOS [Internet]. 2020Jun.14 [cited 2024Dec.27];3(1):14 -29. Available from: https://ejournal.uniks.ac.id/index.php/JTOS/article/view/529