Profit Analysis to an Industrial System Possessing Active Redundancy form Using Geometric Distribution. Contemporary Mathematics , [S. l.], v. 4, n. 3, p. 423–34, 2023. DOI: 10.37256/cm.4320232515. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/2515. Acesso em: 24 dec. 2025.