GUSTI MA, Stefanus Hubertus; PARERA, Helena Rosalia; AMRIN, Sayful. Kesiapan Guru Ekonomi Dalam Menghadapi Online Learning Di Kota Ende. Cetta: Jurnal Ilmu Pendidikan, [S. l.], v. 4, n. 1, p. 33–46, 2021. Disponível em: https://jayapanguspress.penerbit.org/index.php/cetta/article/view/1232. Acesso em: 19 jan. 2026.