. (2004). . (e124026). Strategy, 12(2), e124026
. "" .e124026 , Strategy, 12, 2, 2004, e124026.
. (2004). '', Strategy, 12(2), e124026.
, "," Strategy, 12 2 (2004): e124026,
. . Strategy. 2004;12(2):e124026 (In Persian).
