. (1999). -. (e14127). Financial Research Journal, 4(13), e14127
. "-" .e14127 , Financial Research Journal, 4, 13, 1999, e14127.
. (1999). '-', Financial Research Journal, 4(13), e14127.
, "-," Financial Research Journal, 4 13 (1999): e14127,
. -. FRJ. 1999;4(13):e14127 (In Persian).