. (2007). . (e124254). Strategy, 15(1), e124254
. "" .e124254 , Strategy, 15, 1, 2007, e124254.
. (2007). '', Strategy, 15(1), e124254.
, "," Strategy, 15 1 (2007): e124254,
. . Strategy. 2007;15(1):e124254 (In Persian).
