. (2005). . (e124146). Strategy, 13(3), e124146
. "" .e124146 , Strategy, 13, 3, 2005, e124146.
. (2005). '', Strategy, 13(3), e124146.
, "," Strategy, 13 3 (2005): e124146,
. . Strategy. 2005;13(3):e124146 (In Persian).
