. (2004). . (e124033). Strategy, 12(2), e124033
. "" .e124033 , Strategy, 12, 2, 2004, e124033.
. (2004). '', Strategy, 12(2), e124033.
, "," Strategy, 12 2 (2004): e124033,
. . Strategy. 2004;12(2):e124033 (In Persian).
