. (2004). . (e124060). Strategy, 12(3), e124060
. "" .e124060 , Strategy, 12, 3, 2004, e124060.
. (2004). '', Strategy, 12(3), e124060.
, "," Strategy, 12 3 (2004): e124060,
. . Strategy. 2004;12(3):e124060 (In Persian).
