. (2007). . (e124250). Strategy, 15(1), e124250
. "" .e124250 , Strategy, 15, 1, 2007, e124250.
. (2007). '', Strategy, 15(1), e124250.
, "," Strategy, 15 1 (2007): e124250,
. . Strategy. 2007;15(1):e124250 (In Persian).
