Gupta, Praveen, and Pooja Vinodiya. “AVAILABILITY ANALYSIS OF TWO SYSTEM WITH AND WITHOUT PREVENTIVE MAINTENANCE”. International Journal of Computer Sciences and Engineering 6, no. 10 (November 17, 2025): 610–616. Accessed February 2, 2026. https://ijcse.isroset.org/index.php/j/article/view/3539.