. (2006). . (e124154). Strategy, 13(4), e124154
. "" .e124154 , Strategy, 13, 4, 2006, e124154.
. (2006). '', Strategy, 13(4), e124154.
, "," Strategy, 13 4 (2006): e124154,
. . Strategy. 2006;13(4):e124154 (In Persian).
