. (2004). . (e124040). Strategy, 12(2), e124040
. "" .e124040 , Strategy, 12, 2, 2004, e124040.
. (2004). '', Strategy, 12(2), e124040.
, "," Strategy, 12 2 (2004): e124040,
. . Strategy. 2004;12(2):e124040 (In Persian).
