. (2007). . (e124258). Strategy, 15(1), e124258
. "" .e124258 , Strategy, 15, 1, 2007, e124258.
. (2007). '', Strategy, 15(1), e124258.
, "," Strategy, 15 1 (2007): e124258,
. . Strategy. 2007;15(1):e124258 (In Persian).
