. (2004). . (e124011). Strategy, 12(1), e124011
. "" .e124011 , Strategy, 12, 1, 2004, e124011.
. (2004). '', Strategy, 12(1), e124011.
, "," Strategy, 12 1 (2004): e124011,
. . Strategy. 2004;12(1):e124011 (In Persian).
