@article{article2104,
  title = {Solution to a make-or-buy decision problem based on intuitionistic fuzzy sets and grey relational analysis},
  author = {CANBULUT, G. and KÖSE, E. and YI-LIN, F.J.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2026},
  volume = {44},
  pages = {2364-2379},
  doi = {10.14744/sigma.2026.2106}
}