. (2004). . (e124034). Strategy, 12(2), e124034
. "" .e124034 , Strategy, 12, 2, 2004, e124034.
. (2004). '', Strategy, 12(2), e124034.
, "," Strategy, 12 2 (2004): e124034,
. . Strategy. 2004;12(2):e124034 (In Persian).
