. (2002). . (e123878). Strategy, 10(1), e123878
. "" .e123878 , Strategy, 10, 1, 2002, e123878.
. (2002). '', Strategy, 10(1), e123878.
, "," Strategy, 10 1 (2002): e123878,
. . Strategy. 2002;10(1):e123878 (In Persian).
