. (2002). . (e123867). Strategy, 10(1), e123867
. "" .e123867 , Strategy, 10, 1, 2002, e123867.
. (2002). '', Strategy, 10(1), e123867.
, "," Strategy, 10 1 (2002): e123867,
. . Strategy. 2002;10(1):e123867 (In Persian).
