Mohamad Fauzi, Siti Nadhirah, et al. “Developing a Risk Index for Start-Up Businesses in SMEs Using the Fuzzy Delphi Method (FDM)”. Communications in Mathematics and Applications, vol. 16, no. 1, July 2025, pp. 15-27, https://doi.org/10.26713/cma.v16i1.2893.