PUTRO, Sutanto Trijuni; WIDYASTUTI, Mawanti; HASTUTI, Hastuti. Problematika Pembelajaran di Era Pandemi COVID-19 Stud Kasus: Indonesia, Filipina, Nigeria, Ethiopia, Finlandia, dan Jerman. Geo Media: Majalah Ilmiah dan Informasi Kegeografian, [S. l.], v. 18, n. 2, p. 117–131, 2020. DOI: 10.21831/gm.v18i2.36058. Disponível em: https://journal.uny.ac.id/index.php/geomedia/article/view/36058. Acesso em: 11 may. 2025.