. (2007). . (e124255). Strategy, 15(1), e124255
. "" .e124255 , Strategy, 15, 1, 2007, e124255.
. (2007). '', Strategy, 15(1), e124255.
, "," Strategy, 15 1 (2007): e124255,
. . Strategy. 2007;15(1):e124255 (In Persian).
