. (2002). . (e123882). Strategy, 10(2), e123882
. "" .e123882 , Strategy, 10, 2, 2002, e123882.
. (2002). '', Strategy, 10(2), e123882.
, "," Strategy, 10 2 (2002): e123882,
. . Strategy. 2002;10(2):e123882 (In Persian).
