Azhari, A., and M. R. Mesbahi. 2017. “RETRACTED: Safety Index Evaluation and Calibration of Load and Resistance Factors for Concrete Beams Under the Simultaneous Effects of Bending, Shear and Torsion”. Engineering, Technology & Applied Science Research 7 (4). Greece:1820-25. https://doi.org/10.48084/etasr.1180.