%0 Journal Article %A adeli, omidali, goudarzi, yazdan, ebrahiminejad, ali akbar %T Nonlinear affect in Competitiveness and Firm Innovation by Environmental Policy Stringency; testing the Porter's Hypothesis %J Journal of Environmental Science and Technology %V 25 %N 2 %P 55-69 %D 2023 %R 10.22034/jest.2021.50262.4965 %U https://sanad.iau.ir/fa/Article/838351