. (2007). . (e124272). Strategy, 15(3), e124272
. "" .e124272 , Strategy, 15, 3, 2007, e124272.
. (2007). '', Strategy, 15(3), e124272.
, "," Strategy, 15 3 (2007): e124272,
. . Strategy. 2007;15(3):e124272 (In Persian).
