. (2006). -. (e12454). Journal of Economic Research (Tahghighat- E- Eghtesadi), 40(4), e12454
. "-" .e12454 , Journal of Economic Research (Tahghighat- E- Eghtesadi), 40, 4, 2006, e12454.
. (2006). '-', Journal of Economic Research (Tahghighat- E- Eghtesadi), 40(4), e12454.
, "-," Journal of Economic Research (Tahghighat- E- Eghtesadi), 40 4 (2006): e12454,
. -. J. Econ. Res.. 2006;40(4):e12454 (In Persian).
