. (2002). . (e123838). Strategy, 10(3), e123838
. "" .e123838 , Strategy, 10, 3, 2002, e123838.
. (2002). '', Strategy, 10(3), e123838.
, "," Strategy, 10 3 (2002): e123838,
. . Strategy. 2002;10(3):e123838 (In Persian).
