@article{paperid:1086870, author = {Safaei, Fatemeh and Ahmadi, Jafar and Sharareh Taghipour}, title = {A maintenance policy for a k-out-of-n system under enhancing the system’s operating time and safety constraints, and selling the second-hand components}, journal = {Reliability Engineering and System Safety}, year = {2022}, volume = {218}, month = {February}, issn = {0951-8320}, keywords = {Replacement; Age replacement policy; Long-run average cost; Safety constraint; Preventive maintenance}, }