Estimation of reliability characteristics of single-unit repairable system with preventive maintenance and server arrival time. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 8, n. 2, p. 3062, 2026. DOI: 10.46481/jnsps.2026.3062. Disponível em: https://journal.nsps.org.ng/index.php/jnsps/article/view/3062. Acesso em: 29 apr. 2026.