GNATYUK, V.O.; BATRAK, O.G.; SKURATIVSKYI, A.A.; KUDRENKO, S.O. Optimization method for mass service system with the use of a virtual assistant based on artificial intelligence. Problems of Informatization and Control, [S. l.], v. 3, n. 75, p. 21–28, 2023. DOI: 10.18372/2073-4751.75.18013. Disponível em: https://jrnl.kai.edu.ua/index.php/PIU/article/view/18013. Acesso em: 23 oct. 2026.