WARYANTO, Nur Hadi; INSANI, Nur. Tingkat Kesiapan (Readiness) Implementasi E-Learning di Sekolah Menengah Atas Kota Yogyakarta. Jurnal Pendidikan Matematika dan Sains, [S. l.], v. 1, n. 2, p. 117–124, 2013. DOI: 10.21831/jpms.v2i2.2478. Disponível em: https://journal.uny.ac.id/index.php/jpms/article/view/2478. Acesso em: 9 may. 2025.