فهرس المقالات Shahin Khoshniat المقاله 1 - Availability Optimization of a system With k-out-of-n Sub-systems Considering Different Types of Components Failure Using BBQ Algorithm M. Sharifi MR. Shahriari Sh. Khoshniat International Journal of Industrial Mathematics , العدد 5 , السنة 11 , پاییز 2019