POLAŃSKA, K. OGD as a data source in mobile applications. DIDACTICS OF INFORMATION TECHNOLOGY, [S. l.], v. 16, p. 41–47, 2021. DOI: 10.15584/di.2021.16.5. Disponível em: https://journals.ur.edu.pl/di/article/view/5154. Acesso em: 11 nov. 2026.