. (2002). . (e123827). Strategy, 10(3), e123827
. "" .e123827 , Strategy, 10, 3, 2002, e123827.
. (2002). '', Strategy, 10(3), e123827.
, "," Strategy, 10 3 (2002): e123827,
. . Strategy. 2002;10(3):e123827 (In Persian).
