. (2004). . (e124055). Strategy, 12(3), e124055
. "" .e124055 , Strategy, 12, 3, 2004, e124055.
. (2004). '', Strategy, 12(3), e124055.
, "," Strategy, 12 3 (2004): e124055,
. . Strategy. 2004;12(3):e124055 (In Persian).
