. (2002). . (e123871). Strategy, 10(1), e123871
. "" .e123871 , Strategy, 10, 1, 2002, e123871.
. (2002). '', Strategy, 10(1), e123871.
, "," Strategy, 10 1 (2002): e123871,
. . Strategy. 2002;10(1):e123871 (In Persian).
