MILEVA, S.; ASSENOVA, M.; PETROV, E.; GYAUROVA, V. The potential of location-based gamification apps for promoting Sofia as a tourist destination. Turyzm/Tourism, [S. l.], v. 31, n. 1, p. 21–27, 2021. DOI: 10.18778/0867-5856.31.1.13. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/9937. Acesso em: 20 apr. 2024.