. (2004). . (e124048). Strategy, 12(3), e124048
. "" .e124048 , Strategy, 12, 3, 2004, e124048.
. (2004). '', Strategy, 12(3), e124048.
, "," Strategy, 12 3 (2004): e124048,
. . Strategy. 2004;12(3):e124048 (In Persian).
