PATEL, I. D.; GAJJAR, A. V. Life Test Based on Progressively Group-Censored Samples From Exponential Distribution With Periodic Change in Failure Rate. Defence Science Journal, [S. l.], v. 29, n. 4, p. 167–172, 2014. DOI: 10.14429/dsj.29.6517. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6517. Acesso em: 8 jul. 2025.