Amirian,S. , , Amiri,M. , and Taghavifard,M. T. . "Spherical Fuzzy Geometric Programming: A New Approach for System Reliability Assessment", International Journal of Reliability, Risk and Safety: Theory and Application, 6, 1, 2023, 47-53. doi: 10.22034/IJRRS.2023.6.1.5