Al-Refaie, Abbas, Heba Al-Shalaldeh, and Natalija Lepkova. “Proposed Procedure for Optimal Maintenance Scheduling under Emergent Failures”. Journal of Civil Engineering and Management 26, no. 4 (April 21, 2020): 396-409. Accessed January 10, 2025. https://mla.vilniustech.lt/index.php/JCEM/article/view/12315.