. (2004). . (e124052). Strategy, 12(3), e124052
. "" .e124052 , Strategy, 12, 3, 2004, e124052.
. (2004). '', Strategy, 12(3), e124052.
, "," Strategy, 12 3 (2004): e124052,
. . Strategy. 2004;12(3):e124052 (In Persian).
