A Queueing system with Catastrophe, Feedback, State dependent Service and Environmental change . Cuestiones de Fisioterapia, [S. l.], v. 53, n. 03, p. 2036–2047, 2024. DOI: 10.48047/47svhr21. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/3073.. Acesso em: 22 sep. 2025.