JAMADI, J. PROBLEMATIKA PEMBELAJARAN DARING DAN SOLUSINYA STUDI KASUS DI SMKN 4 YOGYAKARTA. ACADEMIA: Jurnal Inovasi Riset Akademik, [S. l.], v. 1, n. 1, p. 78-88, 2021. DOI: 10.51878/academia.v1i1.484. Disponível em: https://jurnalp4i.com/index.php/academia/article/view/484. Acesso em: 15 feb. 2026.