. (2002). . (e123874). Strategy, 10(1), e123874
. "" .e123874 , Strategy, 10, 1, 2002, e123874.
. (2002). '', Strategy, 10(1), e123874.
, "," Strategy, 10 1 (2002): e123874,
. . Strategy. 2002;10(1):e123874 (In Persian).
