. (2007). . (e124235). Strategy, 14(4), e124235
. "" .e124235 , Strategy, 14, 4, 2007, e124235.
. (2007). '', Strategy, 14(4), e124235.
, "," Strategy, 14 4 (2007): e124235,
. . Strategy. 2007;14(4):e124235 (In Persian).
