. (2001). . (e123767). Strategy, 9(2), e123767
. "" .e123767 , Strategy, 9, 2, 2001, e123767.
. (2001). '', Strategy, 9(2), e123767.
, "," Strategy, 9 2 (2001): e123767,
. . Strategy. 2001;9(2):e123767 (In Persian).
