TY  - JOUR
TI  - Two modified forms of the SAIR model with a fuzzyfied vaccination effectiveness parameter
AU  - BALDEMÄ°R, H.
AU  - AKIN, A.
AU  - AKIN, Ã.
JO  - Sigma Journal of Engineering and Natural Sciences
PY  - 2025
VL  - 43
SP  - 887
EP  - 898
DO  - 10.14744/sigma.2025.00077
ER  -