. (2002). . (e123880). Strategy, 10(1), e123880
. "" .e123880 , Strategy, 10, 1, 2002, e123880.
. (2002). '', Strategy, 10(1), e123880.
, "," Strategy, 10 1 (2002): e123880,
. . Strategy. 2002;10(1):e123880 (In Persian).
