“Finding the Optimal Preventive Maintenance Time for the Second South Baghdad Gas Electricity Distribution Station Using Reliability Function Techniques”. 2025. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 56 (1): 166-70. https://doi.org/10.55562/jrucs.v56i1.15.