. (2007). . (e124262). Strategy, 15(1), e124262
. "" .e124262 , Strategy, 15, 1, 2007, e124262.
. (2007). '', Strategy, 15(1), e124262.
, "," Strategy, 15 1 (2007): e124262,
. . Strategy. 2007;15(1):e124262 (In Persian).
