CHOUDHARY, N.; TYAGI, A.; SINGH, B. A Flexible Bathtub-Shaped Failure Time Model: Properties and Associated Inference. Statistica, [S. l.], v. 81, n. 1, p. 65–92, 2021. DOI: 10.6092/issn.1973-2201/10025. Disponível em: https://rivista-statistica.unibo.it/article/view/10025. Acesso em: 18 sep. 2021.