TY  - JOUR
TI  - Solution to a make-or-buy decision problem based on intuitionistic fuzzy sets and grey relational analysis
AU  - CANBULUT, G.
AU  - KÖSE, E.
AU  - YI-LIN, F.J.
JO  - Sigma Journal of Engineering and Natural Sciences
PY  - 2026
VL  - 44
SP  - 2364
EP  - 2379
DO  - 10.14744/sigma.2026.2106
ER  -