Next generation service models of mobile autonomous assistants. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 110, p. 139–150, 2023. DOI: 10.60063/gsu.fmi.110.139-150. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/564. Acesso em: 14 dec. 2025.