LAIJUNWA KONG. A study on deep reinforcement learning based method for voice expression enhancement of opera singers. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 17, p. 19, 2025. DOI: 10.70917/ijcisim-2025-0294. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/1565. Acesso em: 3 may. 2026.