. (2001). . (e123755). Strategy, 9(1), e123755
. "" .e123755 , Strategy, 9, 1, 2001, e123755.
. (2001). '', Strategy, 9(1), e123755.
, "," Strategy, 9 1 (2001): e123755,
. . Strategy. 2001;9(1):e123755 (In Persian).
