. (2003). . (e123913). Strategy, 11(1), e123913
. "" .e123913 , Strategy, 11, 1, 2003, e123913.
. (2003). '', Strategy, 11(1), e123913.
, "," Strategy, 11 1 (2003): e123913,
. . Strategy. 2003;11(1):e123913 (In Persian).
