. (2004). . (e124059). Strategy, 12(3), e124059
. "" .e124059 , Strategy, 12, 3, 2004, e124059.
. (2004). '', Strategy, 12(3), e124059.
, "," Strategy, 12 3 (2004): e124059,
. . Strategy. 2004;12(3):e124059 (In Persian).
