. (2002). . (e123842). Strategy, 10(3), e123842
. "" .e123842 , Strategy, 10, 3, 2002, e123842.
. (2002). '', Strategy, 10(3), e123842.
, "," Strategy, 10 3 (2002): e123842,
. . Strategy. 2002;10(3):e123842 (In Persian).
