%0 Journal Article %T . %J Economics Research %I Allameh Tabataba'i University %Z 1735-210X %A arabmazar, ali akbar %D 2001 %\ 06/22/2001 %V 1 %N 1 %P 17-24 %! . %R %X %U https://joer.atu.ac.ir/article_3154_4e5fe344c016ce99c562b7e0cfe42349.pdf