PRADHAN, B. K. Impact of controlling the sum of error probability in the sequential probability ratio test. Statistica, [S. l.], v. 67, n. 4, p. 351–366, 2007. DOI: 10.6092/issn.1973-2201/3515. Disponível em: https://rivista-statistica.unibo.it/article/view/3515. Acesso em: 7 oct. 2022.