Fallahnezhad, Mohammad Saber, Alie Ranjbar, and Faeze Zahmatkesh Sredorahi. “A Markov Model for Production and Maintenance Decision”. Macro Management & Public Policies 2, no. 1 (May 20, 2020): 1–5. Accessed April 30, 2024. https://journals.bilpubgroup.com/index.php/mmpp/article/view/655.