. (2002). . (e123886). Strategy, 10(2), e123886
. "" .e123886 , Strategy, 10, 2, 2002, e123886.
. (2002). '', Strategy, 10(2), e123886.
, "," Strategy, 10 2 (2002): e123886,
. . Strategy. 2002;10(2):e123886 (In Persian).
