Kechagias, Giannis, Alexandros Diamantidis, Theodosis Dimitrakos, and Mariza Tsakalerou. “Optimal Maintenance of Deteriorating Equipment Using Semi-Markov Decision Processes and Linear Programming”. International Journal of Industrial Engineering and Management 15, no. 1 (March 11, 2024): 81–95. Accessed August 25, 2024. https://ijiemjournal.uns.ac.rs/index.php/ijiem/article/view/1211.