TY - JOUR AU - Aghamohammadi, Seiedeh Narges AU - Haji, Golamali AU - ghafari, hadi AU - ghafari ashtiani, peyman TI - The Effect of the Comparative Advantage of Economic Activities on the GDP of the Provinces JO - Economic Modeling VL - 15 IS - 54 SP - 87 EP - 104 PY - 2021 DO - 10.30495/eco.2021.1936869.2549 ER -