. (2002). . (e123823). Strategy, 10(3), e123823
. "" .e123823 , Strategy, 10, 3, 2002, e123823.
. (2002). '', Strategy, 10(3), e123823.
, "," Strategy, 10 3 (2002): e123823,
. . Strategy. 2002;10(3):e123823 (In Persian).
