TY  - JOUR
AU  - fallah, mohammad
AU  - Tavakkoli-Moghaddam, Reza
AU  - Pahlavani, Ali
AU  - salamatbakhsh, alireza
TI  - Optimal design for competitive service facilities under certainty using an improved differential evaluation algorithm
JO  - Journal of New Researches in Mathematics
VL  - 7
IS  - 2
SP  - 5
EP  - 22
PY  - 2021
DO  - 
ER  -