GNATYUK, V.; BATRAK, O.; SKURATIVSKYI, A.; KUDRENKO, S. Optimization method for mass service system with the use of a virtual assistant based on artificial intelligence. Problems of Informatization and Management, [S. l.], v. 3, n. 75, p. 21–28, 2023. DOI: 10.18372/2073-4751.75.18013. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/18013. Acesso em: 28 apr. 2026.