. (2007). . (e124273). Strategy, 15(3), e124273
. "" .e124273 , Strategy, 15, 3, 2007, e124273.
. (2007). '', Strategy, 15(3), e124273.
, "," Strategy, 15 3 (2007): e124273,
. . Strategy. 2007;15(3):e124273 (In Persian).
