A novel extension of TOPSIS with interval type-2 trapezoidal neutrosophic numbers using (α, β, γ)-cutsMuhammad Touqeer, Rimsha Umer, Ali Ahmadian and Soheil SalahshourRAIRO-Oper. Res., 55 5 (2021) 2657-2683DOI: https://doi.org/10.1051/ro/2021133