. (2002). . (e123836). Strategy, 10(3), e123836
. "" .e123836 , Strategy, 10, 3, 2002, e123836.
. (2002). '', Strategy, 10(3), e123836.
, "," Strategy, 10 3 (2002): e123836,
. . Strategy. 2002;10(3):e123836 (In Persian).
