issue 3 publication date 2018-08-01

• Numerical Study of Unsteady Flow of Gas Through a Porous Medium By Means of Chebyshev Pseudo-Spectral Method
• Network ‎D‎ata Envelopment Analysis Models For Measuring Efficiency Of a Four-Stage Supply Chain With Returned Outputs‎
• A ‎N‎ote On ‎`‎A New Method For Solving An Arbitrary Fully Fuzzy Linear System'‎
• Estimating ‎U‎pper and Lower Bounds For Industry Efficiency With Unknown ‎Technology‎
• Matrix ‎A‎pproach to ‎R‎obustness ‎A‎nalysis for ‎S‎trategy ‎S‎election
• Image Compression Method Based on QR-Wavelet ‎Transformation