Abed, S. A., A. A. Khalaf, H. M. Mnati, and M. M. Hanon. “Optimization of Mechanical Properties of Recycled Polyurethane Waste Microfiller Epoxy Composites Using Grey Relational Analysis and Taguchi Method”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 12(115), Feb. 2022, pp. 48-58, doi:10.15587/1729-4061.2022.252719.