. (1999). -. (e14132). Financial Research Journal, 4(13), e14132
. "-" .e14132 , Financial Research Journal, 4, 13, 1999, e14132.
. (1999). '-', Financial Research Journal, 4(13), e14132.
, "-," Financial Research Journal, 4 13 (1999): e14132,
. -. FRJ. 1999;4(13):e14132 (In Persian).