@article{ author = {saadipour, mohammadnabi, farazmand, hasan, Sadeghi Amroabadi , Behrouz , shariatNajade, Ali}, title = {Threshold Effects of Provincial Export-Destination Diversity on Income Inequality in Iran}, journal = {Rahbord-e-Tousee}, year = {2026}, volume = {22}, number = {87}, pages = {154-176}, doi = {} }