. (2003). . (e123926). Strategy, 11(1), e123926
. "" .e123926 , Strategy, 11, 1, 2003, e123926.
. (2003). '', Strategy, 11(1), e123926.
, "," Strategy, 11 1 (2003): e123926,
. . Strategy. 2003;11(1):e123926 (In Persian).
