حاله, مهناز, هژبرکیانی, کامبیز, عسگری, فرید, علی پور, محمد صادق. “Investigating the Asymmetric Effects of Changes
in Liquidity on Value Added of Services in Iran’s Economy.” Financial Economics, vol. 15, no. 57, 2021, pp. 187-206. 10.30495/fed.2021.687927