. (2007). . (e124285). Strategy, 15(3), e124285
. "" .e124285 , Strategy, 15, 3, 2007, e124285.
. (2007). '', Strategy, 15(3), e124285.
, "," Strategy, 15 3 (2007): e124285,
. . Strategy. 2007;15(3):e124285 (In Persian).
