Affiliation: | 1.Department of Mathematics and General Sciences, Prince Sultan University, Riyadh, Saudi Arabia.2 Stochastic Analysis & Optimization Research Group, Department of Mathematics, Air University, PAF Complex E-9, Islamabad, 44000, Pakistan.3 Faculty of Engineering, University of Central Punjab, Bathinda, Lahore, Pakistan.4 Department of Mathematics, Comsats University, Chak Shahzad Campus, Islamabad, Pakistan. |