. (2005). . (e124119). Strategy, 13(2), e124119
. "" .e124119 , Strategy, 13, 2, 2005, e124119.
. (2005). '', Strategy, 13(2), e124119.
, "," Strategy, 13 2 (2005): e124119,
. . Strategy. 2005;13(2):e124119 (In Persian).
