. (2007). . (e124248). Strategy, 15(1), e124248
. "" .e124248 , Strategy, 15, 1, 2007, e124248.
. (2007). '', Strategy, 15(1), e124248.
, "," Strategy, 15 1 (2007): e124248,
. . Strategy. 2007;15(1):e124248 (In Persian).
