. (2003). . (e123924). Strategy, 11(1), e123924
. "" .e123924 , Strategy, 11, 1, 2003, e123924.
. (2003). '', Strategy, 11(1), e123924.
, "," Strategy, 11 1 (2003): e123924,
. . Strategy. 2003;11(1):e123924 (In Persian).
